JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति Question Bank

done Extended or long form of periodic table Total Questions - 131

• question_answer1)
  Which of the following statement is not correct for the element having electronic configuration \[1{{s}^{2}},2{{s}^{2}}{{p}^{6}},\,3{{s}^{1}}\]
  A)
  It is a monovalent electropositive done clear
  B)
  It forms basic oxide done clear
  C)
  It is a non-metal done clear
  D)
  It has low electron affinity done clear
  View Solution play_arrow

• question_answer2)
  Which of these dose not reflect the periodicity of the elements [UPSEAT 2001; BIT 1990; MP PMT 2001]
  A)
  Bonding behaviour done clear
  B)
  Electronegativity done clear
  C)
  Ionization energy done clear
  D)
  Neutron/proton ratio done clear
  View Solution play_arrow

• question_answer3)
  If an atom has electronic configuration \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{3}}4{{s}^{2}},\] it will be placed in  [CBSE PMT 2002]
  A)
  Second group done clear
  B)
  Third group done clear
  C)
  Fifth group done clear
  D)
  Sixth group done clear
  View Solution play_arrow

• question_answer4)
  All the s-block elements of the periodic table are placed in the groups ? [Orissa JEE 2002]
  A)
  IA and IIA done clear
  B)
  IIIA and IVA done clear
  C)
  B sub groups done clear
  D)
  VA to VIIA done clear
  View Solution play_arrow

• question_answer5)
  The electronic configuration of halogen is  [MP PET/PMT 1998; Pb. PMT 2001]
  A)
  \[n{{s}^{2}}n{{p}^{6}}\] done clear
  B)
  \[n{{s}^{2}}n{{p}^{3}}\] done clear
  C)
  \[n{{s}^{2}}n{{p}^{5}}\] done clear
  D)
  \[n{{s}^{2}}\] done clear
  View Solution play_arrow

• question_answer6)
  Hydrogen by donating one electron forms \[{{H}^{+}}\]. In this property, it resembles with
  A)
  Transitional metals done clear
  B)
  Alkaline earth metals done clear
  C)
  Alkali metals done clear
  D)
  Halogens done clear
  View Solution play_arrow

• question_answer7)
  The tenth elements in the periodic table resembles with the [CPMT 1988]
  A)
  First period done clear
  B)
  Second period done clear
  C)
  Fourth group done clear
  D)
  Ninth group done clear
  View Solution play_arrow

• question_answer8)
  The element with quantum numbers \[n=2,l=1,m=1,s=-1/2\] has the following position in the periodic table
  A)
  Group VII-A, period II done clear
  B)
  Group 0, period II done clear
  C)
  Group VII-A, period III done clear
  D)
  Group 0, period III done clear
  View Solution play_arrow

• question_answer9)
  Who developed the long form of periodic table [MP PET 1997]
  A)
  Lothar Meyer done clear
  B)
  Niels Bohr done clear
  C)
  Mendeleef done clear
  D)
  Moseley done clear
  View Solution play_arrow

• question_answer10)
  The electronic configuration of an element is \[1{{s}^{2}},\,2{{s}^{2}}\,2{{p}^{6}},\,3{{s}^{2}}\,3{{p}^{3}}\]. What is the atomic number of the element which is just below the above element in the periodic table [CBSE PMT 1995]
  A)
  33 done clear
  B)
  34 done clear
  C)
  31 done clear
  D)
  49 done clear
  View Solution play_arrow

• question_answer11)
  In the periodic table, the element with atomic number 16 will be placed in the group [MP PET/PMT 1998]
  A)
  Third done clear
  B)
  Fourth done clear
  C)
  Fifth done clear
  D)
  Sixth done clear
  View Solution play_arrow

• question_answer12)
  The first element of rare-earth metals is [AFMC 1992]
  A)
  Cerium done clear
  B)
  Actinium done clear
  C)
  Uranium done clear
  D)
  Lanthanum done clear
  View Solution play_arrow

• question_answer13)
  The \[d\]-block elements consists mostly of [MP PMT 1994]
  A)
  Monovalent metals done clear
  B)
  All non-metals done clear
  C)
  Elements which generally form stoichiometric metal oxide done clear
  D)
  Many metals with catalytic properties done clear
  View Solution play_arrow

• question_answer14)
  ?The 6 properties of the elements are periodic function of their atomic numbers.? The statement was given by [MNR 1995]
  A)
  N. Bohr done clear
  B)
  J.W. Dobereiner done clear
  C)
  D.I. Mendeleef done clear
  D)
  H.G.J. Moseley done clear
  View Solution play_arrow

• question_answer15)
  The long form of periodic table has [CPMT 1986; KCET 1998]
  A)
  Eight horizontal rows and seven vertical columns done clear
  B)
  Seven horizontal rows and eighteen vertical columns done clear
  C)
  Seven horizontal rows and seven vertical columns done clear
  D)
  Eight horizontal rows and eight vertical columns done clear
  View Solution play_arrow

• question_answer16)
  The telluric helix was given by [AFMC 1990]
  A)
  De Chan Courtois done clear
  B)
  Newlands done clear
  C)
  L. Meyer done clear
  D)
  Mendeleef done clear
  View Solution play_arrow

• question_answer17)
  Which one of the following belongs to representative group of elements in the periodic table [Kurukshetra CEE 1991]
  A)
  Lanthanum done clear
  B)
  Argon done clear
  C)
  Chromium done clear
  D)
  Aluminium done clear
  View Solution play_arrow

• question_answer18)
  An element of atomic number 29 belongs to [CPMT 1991; Kurukshetra CEE 1991; MP PET 2001]
  A)
  \[s\]-block done clear
  B)
  \[p\]-block done clear
  C)
  \[d\]-block done clear
  D)
  \[f\]-block done clear
  View Solution play_arrow

• question_answer19)
  The element californium belongs to the family [MNR 1987]
  A)
  Actinide series done clear
  B)
  Alkali metal family done clear
  C)
  Alkaline earth family done clear
  D)
  Lanthanide series done clear
  View Solution play_arrow

• question_answer20)
  On moving from left to right across a period in the table the metallic character [CPMT 1986]
  A)
  Increases done clear
  B)
  Decreases done clear
  C)
  Remains constant done clear
  D)
  First increases and then decreases done clear
  View Solution play_arrow

• question_answer21)
  An element with atomic number 20 will be placed in which period of the periodic table [MNR 1986; UPSEAT 1999]
  A)
  4 done clear
  B)
  3 done clear
  C)
  2 done clear
  D)
  1 done clear
  View Solution play_arrow

• question_answer22)
  The electronic structure \[(n-1)\,{{d}^{1-10}}n{{s}^{0-2}}\] is characteristic of [CET Pune 1998]
  A)
  Transition elements done clear
  B)
  Lanthanides done clear
  C)
  Actinides done clear
  D)
  Rare gases done clear
  View Solution play_arrow

• question_answer23)
  The elements with atomic number 10, 18, 36, 54 and 86 are all [CPMT 1976]
  A)
  Light metals done clear
  B)
  Inert gases done clear
  C)
  Halogens done clear
  D)
  Rare-earths done clear
  View Solution play_arrow

• question_answer24)
  Elements of atomic number 6 is placed in [CPMT 1978]
  A)
  IV group done clear
  B)
  IV period done clear
  C)
  VI group done clear
  D)
  III group done clear
  View Solution play_arrow

• question_answer25)
  Which of the following elements is a lanthanide (Rare-earth element) [Manipal MEE 1995]
  A)
  Cadmium done clear
  B)
  Californium done clear
  C)
  Cerium done clear
  D)
  Cesium done clear
  View Solution play_arrow

• question_answer26)
  Mendeleef's periodic law is based on
  A)
  Atomic weight done clear
  B)
  Atomic number done clear
  C)
  Number of neutrons done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer27)
  The heaviest atom amongst the following is [CPMT 1976; NCERT 1976]
  A)
  U done clear
  B)
  Ra done clear
  C)
  Pb done clear
  D)
  Hg done clear
  View Solution play_arrow

• question_answer28)
  Which of the following pairs has both members from the same group of the periodic table [CPMT 1985; MP PET/PMT 1998]
  A)
  \[Mg-Ba\] done clear
  B)
  \[Mg-Na\] done clear
  C)
  \[Mg-Cu\] done clear
  D)
  \[Mg-K\] done clear
  View Solution play_arrow

• question_answer29)
  Which of the following pairs has both members from the same period of the periodic table [CPMT 1985; UPSEAT 2001; BHU 2003]
  A)
  \[Na-Ca\] done clear
  B)
  \[Na-Cl\] done clear
  C)
  \[Ca-Cl\] done clear
  D)
  \[Cl-Br\] done clear
  View Solution play_arrow

• question_answer30)
  Diagonal relationship is shown by [DPMT 1984]
  A)
  Elements of first period done clear
  B)
  Elements of second period done clear
  C)
  Elements of third period done clear
  D)
  b and c both done clear
  View Solution play_arrow

• question_answer31)
  The   elements   having   the  electronic  configuration,  [\[Kr\]] \[4{{d}^{10}}{{f}^{14}},\,5{{s}^{2}}{{p}^{6}}{{d}^{2}},\,6{{s}^{2}}\] belongs to [CPMT 1982]
  A)
  s-block done clear
  B)
  p-block done clear
  C)
  d-block done clear
  D)
  f-block done clear
  View Solution play_arrow

• question_answer32)
  Chemical property of Li and Mg similar because [RPMT 2002]
  A)
  These belong to same group done clear
  B)
  Both ionisation potential is same done clear
  C)
  Shows diagonal relationship done clear
  D)
  Both electron affinity is same done clear
  View Solution play_arrow

• question_answer33)
  According to the periodic law of elements, the variation in properties of elements is related to their [AIEEE 2003]
  A)
  Atomic masses done clear
  B)
  Nuclear masses done clear
  C)
  Atomic numbers done clear
  D)
  Nuclear neutron-proton number done clear
  View Solution play_arrow

• question_answer34)
  The element with atomic number 36 belongs to ?? block in the periodic table [KCET 2003]
  A)
  p done clear
  B)
  s done clear
  C)
  f done clear
  D)
  d done clear
  View Solution play_arrow

• question_answer35)
  Which group of the periodic table contains only metals [UPSEAT 2003]
  A)
  IIA done clear
  B)
  IB done clear
  C)
  IA done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer36)
  The elements in which s and p-orbitals are present
  A)
  Common elements done clear
  B)
  Inert gases done clear
  C)
  Halogens done clear
  D)
  Transitional elements done clear
  View Solution play_arrow

• question_answer37)
  Aluminium is diagonally related to (in periodic table) [MP PET 1993]
  A)
  Li done clear
  B)
  C done clear
  C)
  B done clear
  D)
  Be done clear
  View Solution play_arrow

• question_answer38)
  An element has the electronic configuration \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},\] \[3{{s}^{2}}3{{p}^{6}}3{{d}^{5}},\,4{{s}^{1}}\]. It is a
  A)
  s-block element done clear
  B)
  p-block element done clear
  C)
  d-block element done clear
  D)
  Inert gas done clear
  View Solution play_arrow

• question_answer39)
  Which of the following show diagonal relationship  [KCET 2003; MP PMT 2003]
  A)
  B and Si done clear
  B)
  B and Al done clear
  C)
  B and Ga done clear
  D)
  B and C done clear
  View Solution play_arrow

• question_answer40)
  Which of the following dinegative anion is quite common [CPMT 2000]
  A)
  \[{{S}^{2-}}\] done clear
  B)
  \[S{{e}^{2-}}\] done clear
  C)
  \[T{{e}^{2-}}\] done clear
  D)
  \[{{O}^{2-}}\] done clear
  View Solution play_arrow

• question_answer41)
  An element has electronic configuration \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{4}}\]. Predict their period, group and block [CPMT 2000]
  A)
  Period = 3rd, block = p, group = 16 done clear
  B)
  Period = 5th, block = s, group = 1 done clear
  C)
  Period = 3rd, block = p, group = 10 done clear
  D)
  Period = 4th, block = d, group = 12 done clear
  View Solution play_arrow

• question_answer42)
  If the atomic number of an element is 33, it will be placed in the periodic table in the [RPET 1999; UPSEAT 2001, 02]
  A)
  First gp done clear
  B)
  Third gp done clear
  C)
  Fifth gp done clear
  D)
  Seventh gp done clear
  View Solution play_arrow

• question_answer43)
  Which of the following is the atomic number of a metal [AIIMS 2000]
  A)
  32 done clear
  B)
  34 done clear
  C)
  36 done clear
  D)
  38 done clear
  View Solution play_arrow

• question_answer44)
  Which of the following statement is not correct regarding hydrogen atom  [AIIMS 2000]
  A)
  It resembles halogens in some properties done clear
  B)
  It resembles alkali metals in some properties done clear
  C)
  It can be placed in 7th group of periodic table done clear
  D)
  It can not be placed in first group of periodic table done clear
  View Solution play_arrow

• question_answer45)
  Lithium shows similarities to magnesium in its chemical behaviour because [AFMC 2000]
  A)
  Similar size, same electronegativity and lower polarizing power done clear
  B)
  Similar size, greater electronegativity and similar polarizing power done clear
  C)
  Similar size, same electronegativity and similar high polarizing power done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer46)
  On going left to right in a period, in transition metals, their atomic volumes  [MP PMT 2003]
  A)
  Decrease done clear
  B)
  Increase done clear
  C)
  Remain same done clear
  D)
  None of these of correct done clear
  View Solution play_arrow

• question_answer47)
  Electronic configuration of chalcons in their outermost orbit is
  A)
  \[{{s}^{2}}{{p}^{3}}\] done clear
  B)
  \[{{s}^{2}}{{p}^{4}}\] done clear
  C)
   \[{{s}^{2}}{{p}^{5}}\] done clear
  D)
  \[{{s}^{2}}{{p}^{6}}\] done clear
  View Solution play_arrow

• question_answer48)
  Which configuration represents a noble gas [DPMT 2000]
  A)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{10}}4{{s}^{2}}\] done clear
  B)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}\] done clear
  C)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{p}^{6}}\] done clear
  D)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}\] done clear
  View Solution play_arrow

• question_answer49)
  Which of the following pair has elements containing same number of electrons in the outermost orbit [Kurukshetra CEE 1998; AFMC 2000]
  A)
  \[N\], \[O\] done clear
  B)
  \[Na\], \[Ca\] done clear
  C)
  \[As\], \[Bi\] done clear
  D)
  \[Pb\], \[Sb\] done clear
  View Solution play_arrow

• question_answer50)
  Dobereiner traids is [RPMT 1997]
  A)
  \[Na\], \[K\], \[Rb\] done clear
  B)
  \[Mg,\]\[S,\]\[As\] done clear
  C)
  \[Cl\], \[Br,I\] done clear
  D)
  \[P,\]\[S,\], \[As\] done clear
  View Solution play_arrow

• question_answer51)
  As per the modern periodic law, the physical and chemical properties of elements are periodic functions of their [RPMT 1997; EAMCET 1998]
  A)
  Atomic volume done clear
  B)
  Electronic configuration done clear
  C)
  Atomic weight done clear
  D)
  Atomic size done clear
  View Solution play_arrow

• question_answer52)
  Elements after atomic number 103 have been discovered till now. If an element with atomic number 106 were ever discovered which of the following electronic configuration will it possess [AIIMS 1982]
  A)
  \[[Rn]\,5{{f}^{14}}\,6{{d}^{4}}\,7{{s}^{2}}\] done clear
  B)
  \[[Rn]\,5{{f}^{14}}\,6{{d}^{5}}7{{s}^{1}}\] done clear
  C)
  \[[Rn]\,5{{f}^{14}}\,6{{d}^{6}}\,7{{s}^{0}}\] done clear
  D)
  \[[Rn]\,5{{f}^{14}}\,6{{d}^{1}}\,7{{s}^{2}}\,7{{p}^{3}}\] done clear
  View Solution play_arrow

• question_answer53)
  The element X, Y, Z and T have the indicated electronic configurations. Starting with the innermost shell, which is the most metallic element [CPMT 1979, 93]
  A)
  \[X=2,\,8,\,4\] done clear
  B)
  \[Y=2,\,8,\,8\] done clear
  C)
  \[Z=2,\,8,\,8,\,1\] done clear
  D)
  \[T=2,\,8,\,8,\,7\] done clear
  View Solution play_arrow

• question_answer54)
  Which pair of atomic numbers represents \[s\]-block elements [EAMCET 1990; RPMT 1997; MP PET 2003]
  A)
  7, 15 done clear
  B)
  6, 12 done clear
  C)
  9, 17 done clear
  D)
  3, 12 done clear
  View Solution play_arrow

• question_answer55)
  Which pair of elements has same chemical properties [EAMCET 1987]
  A)
  13, 22 done clear
  B)
  3, 11 done clear
  C)
  4, 24 done clear
  D)
  2, 4 done clear
  View Solution play_arrow

• question_answer56)
  Mosley's name is most closely associated with the discovery of
  A)
  Positron done clear
  B)
  Deutrons done clear
  C)
  Atomic number done clear
  D)
  Atomic weight done clear
  View Solution play_arrow

• question_answer57)
  In the periodic table going down in fluorine group [CPMT 1981]
  A)
  Reactivity will increase done clear
  B)
  Electronegativity will increase done clear
  C)
  Ionic radius will increase done clear
  D)
  Ionization potential will increase done clear
  View Solution play_arrow

• question_answer58)
  Beryllium resembles much with [CPMT 1988]
  A)
  \[Zn\] done clear
  B)
  \[Al\] done clear
  C)
  \[Li\] done clear
  D)
  \[Ra\] done clear
  View Solution play_arrow

• question_answer59)
  The last member in each period of the periodic table is [DPMT 2001]
  A)
  An inert gas element done clear
  B)
  A transition element done clear
  C)
  A halogen done clear
  D)
  An alkali metal done clear
  View Solution play_arrow

• question_answer60)
  Which one of the following combination represents a metallic element [EAMCET 1979]
  A)
  2, 8, 7 done clear
  B)
  2, 8, 8 done clear
  C)
  2, 8, 4 done clear
  D)
  2, 8, 2 done clear
  View Solution play_arrow

• question_answer61)
  The electronic configuration of an atom A is \[1{{s}^{2}},\] \[2{{s}^{2}}{{p}^{6}},\] \[3{{s}^{2}}{{p}^{6}}{{d}^{10}},\,4{{s}^{2}}{{p}^{3}}\]. The chemistry of A is therefore likely to be similar to that of [MP PMT 1995]
  A)
  Chlorine done clear
  B)
  Nitrogen done clear
  C)
  Oxygen done clear
  D)
  Boron done clear
  View Solution play_arrow

• question_answer62)
  The element having the electronic configuration \[1{{s}^{2}},\] \[2{{s}^{2}}\,2{{p}^{6}},\,3{{s}^{2}}\,3{{p}^{1}}\] is
  A)
  A transition element done clear
  B)
  A representative element done clear
  C)
  An inert gas done clear
  D)
  An inner-transition element done clear
  View Solution play_arrow

• question_answer63)
  The element with configuration \[1{{s}^{2}},\,2{{s}^{2}}{{p}^{6}},\,3{{s}^{2}}\] would be [CPMT 1986; MP PMT 1993]
  A)
  A metal done clear
  B)
  A non-metal done clear
  C)
  An inert gas done clear
  D)
  A metalloid done clear
  View Solution play_arrow

• question_answer64)
  The long form of periodic table is based on [CPMT 1997]
  A)
  Shape of the atom done clear
  B)
  Mass of the atom done clear
  C)
  Atomic number of the atom done clear
  D)
  Electronegativity done clear
  View Solution play_arrow

• question_answer65)
  Chloride of an element \[A\] gives neutral solution in water. In the periodic table, the element \[A\] belongs to [AIIMS 1992; UPSEAT 2001]
  A)
  First group done clear
  B)
  Third group done clear
  C)
  Fifth group done clear
  D)
  First transition series done clear
  View Solution play_arrow

• question_answer66)
  The fundamental basis of the present-day Periodic Table is that elements are [JIPMER 1999]
  A)
  Arranged in the order of increasing atomic weights done clear
  B)
  Grouped according to chemical properties done clear
  C)
  Arranged in the order of increasing number of neutrons in the atomic nucleus done clear
  D)
  Arranged in the order of increasing number of protons in the nucleus done clear
  View Solution play_arrow

• question_answer67)
  All the elements in a group in the periodic table have the same [NCERT 1974; MP PET 1996; MP PMT 1996]
  A)
  Atomic number done clear
  B)
  Electronic configuration done clear
  C)
  Atomic weight done clear
  D)
  Number of electrons in the outermost shell or number of electrons for bonding done clear
  View Solution play_arrow

• question_answer68)
  The most predominantly ionic compounds will be obtained from the combination of elements belonging to
  A)
  1 and 7 groups done clear
  B)
  2 and 6 groups done clear
  C)
  3 and 5 groups done clear
  D)
  0 and 7 groups done clear
  View Solution play_arrow

• question_answer69)
  An atom with atomic number 21 belongs to the category of [Kurukshetra CEE 1991]
  A)
  \[s\]-block elements done clear
  B)
  \[p\]-block elements done clear
  C)
  \[d\]-block elements done clear
  D)
  \[f\]-block elements done clear
  View Solution play_arrow

• question_answer70)
  Which metal has 2 electrons in the outermost orbit
  A)
  Na done clear
  B)
  Cu done clear
  C)
  Au done clear
  D)
  Be done clear
  View Solution play_arrow

• question_answer71)
  In the modern periodic table, elements are arranged in  [MP PMT 1990; MP PET 1995; CPMT 1971, 73, 78, 80]
  A)
  Increasing mass done clear
  B)
  Increasing volume done clear
  C)
  Increasing atomic number done clear
  D)
  Alphabetically done clear
  View Solution play_arrow

• question_answer72)
  Alkali metals in each period have [MP PMT 1995]
  A)
  Smallest size done clear
  B)
  Lowest ionization potential done clear
  C)
  Highest ionization potential done clear
  D)
  Highest electronegativity done clear
  View Solution play_arrow

• question_answer73)
  The elements on the right side of the periodic table are [CPMT 1976]
  A)
  Metals done clear
  B)
  Metalloids done clear
  C)
  Non-metals done clear
  D)
  Transition elements done clear
  View Solution play_arrow

• question_answer74)
  The screening effect of d-electons is [RPMT 2000]
  A)
  Equal to that of p-electrons done clear
  B)
  More than that of p-electrons done clear
  C)
  Same as f-electrons done clear
  D)
  Less than p-electrons done clear
  View Solution play_arrow

• question_answer75)
  Chemical behaviour of an atom is determined by
  A)
  Atomic number done clear
  B)
  Mass number done clear
  C)
  Binding energy done clear
  D)
  Number of isotopes done clear
  View Solution play_arrow

• question_answer76)
  Which of the following is a inert element
  A)
  Na done clear
  B)
  Fe done clear
  C)
  Li done clear
  D)
  He done clear
  View Solution play_arrow

• question_answer77)
  The lightest metal is [CPMT 1976; NCERT 1976; AFMC 1988]
  A)
  \[Li\] done clear
  B)
  \[Mg\] done clear
  C)
  \[Ca\] done clear
  D)
  \[Na\] done clear
  View Solution play_arrow

• question_answer78)
  Choose the typical element
  A)
  K done clear
  B)
  Na done clear
  C)
  Sc done clear
  D)
  He done clear
  View Solution play_arrow

• question_answer79)
  Of the following pairs, the one containing example of metalloid elements in the periodic table is
  A)
  Sodium and potassium done clear
  B)
  Fluorine and chlorine done clear
  C)
  Calcium and magnesium done clear
  D)
  Boron and silicon done clear
  View Solution play_arrow

• question_answer80)
  The number of elements in each of the long periods in the periodic table is
  A)
  2 done clear
  B)
  8 done clear
  C)
  18 done clear
  D)
  32 done clear
  View Solution play_arrow

• question_answer81)
  In the long form of the periodic table, all the non- metals are placed under [EAMCET 1988]
  A)
  s-block done clear
  B)
  p-block done clear
  C)
  d-block done clear
  D)
  f-block done clear
  View Solution play_arrow

• question_answer82)
  Elements with outer electronic configuration \[n{{s}^{2}}n{{p}^{6}}\] are   [MP PET/PMT 1998]
  A)
  Alkaline earth metals done clear
  B)
  Transition elements done clear
  C)
  Chalcogenes done clear
  D)
  Noble gases done clear
  View Solution play_arrow

• question_answer83)
  Highest density is of ???. [RPET 2000]
  A)
  \[Ir\] done clear
  B)
  \[Os\] done clear
  C)
  \[Pb\] done clear
  D)
  \[Hg\] done clear
  View Solution play_arrow

• question_answer84)
  Lithium shows diagonal relationship with [MP PET 1995, 96; EAMCET 1990]
  A)
  Al done clear
  B)
  Mg done clear
  C)
  Be done clear
  D)
  B done clear
  View Solution play_arrow

• question_answer85)
  \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}\] is the electronic configuration of the metal [RPET 2000]
  A)
  \[Na\] done clear
  B)
  \[Mg\] done clear
  C)
  \[Fe\] done clear
  D)
  \[Al\] done clear
  View Solution play_arrow

• question_answer86)
  Element having atomic number 17 is placed in [MP PET 1995]
  A)
  I-group done clear
  B)
  V-group done clear
  C)
  VIII-group done clear
  D)
  VII-group done clear
  View Solution play_arrow

• question_answer87)
  The most importasnt active step in the development of periodic table was taken by [CPMT 1976]
  A)
  Mendeleef done clear
  B)
  Dalton done clear
  C)
  Avogadro done clear
  D)
  Cavendish done clear
  View Solution play_arrow

• question_answer88)
  Who is called the father of chemistry [CPMT 1972]
  A)
  Faraday done clear
  B)
  Priestley done clear
  C)
  Rutherford done clear
  D)
  Lavosier done clear
  View Solution play_arrow

• question_answer89)
  The total number of rare-earth elements is [CPMT 1993]
  A)
  8 done clear
  B)
  32 done clear
  C)
  14 done clear
  D)
  10 done clear
  View Solution play_arrow

• question_answer90)
  Which is metalloid [Bihar MEE 1997]
  A)
  \[Pb\] done clear
  B)
  \[Sb\] done clear
  C)
  \[Bi\] done clear
  D)
  \[Zn\] done clear
  E)
  \[Mg\] done clear
  View Solution play_arrow

• question_answer91)
  The element or elements whose position is anomalous in the periodic table is
  A)
  Halogens done clear
  B)
  \[Fe,\,Co\] and \[Ni\] done clear
  C)
  Inert gases done clear
  D)
  Hydrogen done clear
  View Solution play_arrow

• question_answer92)
  An element M has an atomic mass 19 and atomic number 9. Its ion is represented by
  A)
  \[{{M}^{+}}\] done clear
  B)
  \[{{M}^{-}}\] done clear
  C)
  \[{{M}^{2+}}\] done clear
  D)
  \[{{M}^{2-}}\] done clear
  View Solution play_arrow

• question_answer93)
  The number of elements in the 5th period of the periodic table are
  A)
  8 done clear
  B)
  10 done clear
  C)
  18 done clear
  D)
  32 done clear
  View Solution play_arrow

• question_answer94)
  The element with atomic number 55 belongs to [MP PMT 1995]
  A)
  s-block done clear
  B)
  p-block done clear
  C)
  d-block done clear
  D)
  f-block done clear
  View Solution play_arrow

• question_answer95)
  Coloured salts are formed by [Bihar MEE 1996]
  A)
  Alkali metals done clear
  B)
  Lanthanides done clear
  C)
  Actinides done clear
  D)
  Transition metals done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer96)
  Which one of the following is an s - block element [MP PMT 1999]
  A)
  Aluminium done clear
  B)
  Chromium done clear
  C)
  Niobium done clear
  D)
  Potassium done clear
  View Solution play_arrow

• question_answer97)
  In the modern periodic table, the place of the element with atomic number 31 is in [MP PMT 1999]
  A)
  s - block done clear
  B)
  d- block done clear
  C)
  p -block done clear
  D)
  f - block done clear
  View Solution play_arrow

• question_answer98)
  Last element of group-IV is found to be [DPMT 1996]
  A)
  Strong metallic done clear
  B)
  Weak metallic done clear
  C)
  Strong non-metallic done clear
  D)
  Weak non-metallic done clear
  View Solution play_arrow

• question_answer99)
  Elements of d group are called [DPMT 1996]
  A)
  Transition elements done clear
  B)
  Transuranic elements done clear
  C)
  Metals done clear
  D)
  Metalloids done clear
  View Solution play_arrow

• question_answer100)
  Which of the following is a normal element
  A)
  Ce done clear
  B)
  He done clear
  C)
  Li done clear
  D)
  Ar done clear
  View Solution play_arrow

• question_answer101)
  Which of the following is metalloid [BHU 1996; AMU 2000]
  A)
  \[Pb\] done clear
  B)
  \[Zn\] done clear
  C)
  \[As\] done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer102)
  Under normal condition which of the following electronic configuration is able to form dipositive ion [RPET 2000]
  A)
  \[[Ar]\,4{{s}^{1}}\] done clear
  B)
  \[[Ne]\,2{{s}^{2}}3{{p}^{6}}\] done clear
  C)
  \[[Ne]\,3{{s}^{2}}\] done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer103)
  The statement that is true for the long form of the periodic table is [IIT 1988]
  A)
  It reflects the sequence of filling the electrons in the order of sub-energy levels s, p, d and f done clear
  B)
  It helps to predict the stable valency states of the elements done clear
  C)
  It reflects trends in physical and chemical properties of the elements done clear
  D)
  It helps to predict the relative ionicity of the bonds between any two elements done clear
  View Solution play_arrow

• question_answer104)
  To which block is related an element having electronic configuration \[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{10}}4{{s}^{1}}\] in the periodic table [MP PMT 1995]
  A)
  s - block done clear
  B)
  p - block done clear
  C)
  d - block done clear
  D)
  f - block done clear
  View Solution play_arrow

• question_answer105)
  \[Ce-58\] is a member of
  A)
  s-block elements done clear
  B)
  p-block elements done clear
  C)
  d-block elements done clear
  D)
  f-block elements done clear
  View Solution play_arrow

• question_answer106)
  Atomic number of elements represent
  A)
  Number of protons in the nucleus done clear
  B)
  Number of neutrons in the nucleus done clear
  C)
  Number of protons and neutrons in nucleus done clear
  D)
  The valency of an element done clear
  View Solution play_arrow

• question_answer107)
  As we go from left to right in period two of the periodic table, gram atomic volume of the elements
  A)
  Will change indefinitely done clear
  B)
  Increases at a constant rate done clear
  C)
  First increases then decrease done clear
  D)
  Decreases done clear
  View Solution play_arrow

• question_answer108)
  The electronic configuration of the element which is just above the element with atomic number 43 in the same periodic group is [MNR 1992; UPSEAT 1999, 2000, 02]
  A)
  \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{6}}\,3{{s}^{2}}\,3{{p}^{6}}\,3{{d}^{5}}\,4{{s}^{2}}\] done clear
  B)
  \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{6}}\,3{{s}^{2}}\,3{{p}^{6}}\,3{{d}^{10}}\,4{{s}^{2}}\,4{{p}^{5}}\] done clear
  C)
  \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{6}}\,3{{s}^{2}}\,3{{p}^{6}}\,3{{d}^{6}}\,4{{s}^{1}}\] done clear
  D)
  \[1{{s}^{2}}\,2{{s}^{2}}\,2{{p}^{6}}\,3{{s}^{2}}3{{p}^{6}}\,3{{d}^{10}}\,4{{s}^{1}}\,4{{p}^{6}}\] done clear
  View Solution play_arrow

• question_answer109)
  The elements indicating following atomic numbers belong to same group [RPMT 1997]
  A)
  11 and 37 done clear
  B)
  19 and 15 done clear
  C)
  39 and 88 done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer110)
  Elements in which \[4f\] orbitals are progressively filled are called as [MP PET 1996]
  A)
  Transition elements done clear
  B)
  Lanthanides done clear
  C)
  Actinides done clear
  D)
  Inert gases done clear
  View Solution play_arrow

• question_answer111)
  Hydrogen can be put in halogen group because  [RPMT 2000]
  A)
  It has deuterium and tritium as isotopes done clear
  B)
  It forms hydrides like chlorides done clear
  C)
  It contains one electron only done clear
  D)
  It is light done clear
  View Solution play_arrow

• question_answer112)
  In the main group elements (i) as we proceed down the same group in the periodic table and (ii) as we proceed from left to right in the same period, the atomic radius
  A)
  (i) Increase continuously; (ii) Decreases continuously done clear
  B)
  (i) Decreases continuously; (ii) Increases continuously done clear
  C)
  (i) Increases continuously; (ii) Decreases upto the group IV and then increases upto the end of the period. done clear
  D)
  (i) Decreases continuously; (ii) Decreases upto the group IV and then increases upto the end of the period. done clear
  View Solution play_arrow

• question_answer113)
  Cause of diagonal relationship is
  A)
  Similar electronic configuration of the elements done clear
  B)
  Similar \[e/r\] ratio of the elements done clear
  C)
  Same number of valency electrons in the elements done clear
  D)
  Same atomic weights of the elements done clear
  View Solution play_arrow

• question_answer114)
  From which of the following the hydration energy of \[M{{g}^{2+}}\] is larger [MP PET 2000]
  A)
  \[N{{a}^{+}}\] done clear
  B)
  \[A{{l}^{3+}}\] done clear
  C)
  \[B{{e}^{2+}}\] done clear
  D)
  \[C{{r}^{3+}}\] done clear
  View Solution play_arrow

• question_answer115)
  Group comprising of all metals is [RPET 2000]
  A)
  IIIA done clear
  B)
  IVA done clear
  C)
  VIIA done clear
  D)
  IIA done clear
  View Solution play_arrow

• question_answer116)
  Whose name is not associated with the development of Periodic Table [DCE 1999]
  A)
  Prout?s done clear
  B)
  Newlands done clear
  C)
  Rutherford done clear
  D)
  Loother Meyer done clear
  View Solution play_arrow

• question_answer117)
  Element of atomic number 23 is placed in the periodic table in [MP PMT 1996]
  A)
  s - block done clear
  B)
  p - block done clear
  C)
  d - block done clear
  D)
  f - block done clear
  View Solution play_arrow

• question_answer118)
  In which of the following groups all the three members are of the alkaline earth metals family
  A)
  \[Al,\,Sr,\,Ti\] done clear
  B)
  \[Li,\,Na,\,K\] done clear
  C)
  \[Mg,\,Ba,\,Ca\] done clear
  D)
  \[Rb,\,Cs,\,Fr\] done clear
  View Solution play_arrow

• question_answer119)
  Astatine is a [RPET 2000]
  A)
  Halogen done clear
  B)
  Rare earth element done clear
  C)
  Alkaline earth metal done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer120)
  The nitride ion in lithium nitride is composed of [CBSE PMT 2001]
  A)
  \[7P+7e\] done clear
  B)
  \[10P+7e\] done clear
  C)
  \[7P+10e\] done clear
  D)
  \[10P+10e\] done clear
  View Solution play_arrow

• question_answer121)
  Which set has the same number of unpaired electrons in their ground state [JIPMER 2000]
  A)
  \[C{{l}^{-}},F{{e}^{3+}},C{{r}^{3+}}\] done clear
  B)
  \[N{{a}^{+}}\], \[M{{g}^{2+}}\], \[Al\] done clear
  C)
  \[Na,\,P,\,\,Cl\] done clear
  D)
  \[N,\,P,V\] done clear
  View Solution play_arrow

• question_answer122)
  Which of the following doesn?t decompose on heating [AMU 2002]
  A)
  \[MgC{{O}_{3}}\] done clear
  B)
  \[N{{a}_{2}}C{{O}_{3}}\] done clear
  C)
  \[L{{i}_{2}}C{{O}_{3}}\] done clear
  D)
  \[Ca\,{{(HC{{O}_{3}})}_{2}}\] done clear
  View Solution play_arrow

• question_answer123)
  Which of the following has smallest bond angle  [AMU 2002]
  A)
  \[{{H}_{2}}O\] done clear
  B)
  \[N{{H}_{3}}\] done clear
  C)
  \[C{{H}_{4}}\] done clear
  D)
  \[C{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer124)
  The metal-having highest melting point is [AMU 2002]
  A)
  Chromium done clear
  B)
  Tungston done clear
  C)
  Diamond done clear
  D)
  Silver done clear
  View Solution play_arrow

• question_answer125)
  The elements with atomic numbers 9, 17, 35, 53, 85 are all [KCET 2004]
  A)
  Noble gases done clear
  B)
  Halogens done clear
  C)
  Heavy metals done clear
  D)
  Light metals done clear
  View Solution play_arrow

• question_answer126)
  The atomic number of an element is derived from [Kerala PMT 2004]
  A)
  Number of electrons done clear
  B)
  Number of protons done clear
  C)
  Number of neutrons done clear
  D)
  Number of isotopes done clear
  E)
  Number of nucleons done clear
  View Solution play_arrow

• question_answer127)
  Beryllium shows diagonal relationship with [Pb.CET 2003]
  A)
  Mg done clear
  B)
  Na done clear
  C)
  B done clear
  D)
  Al done clear
  View Solution play_arrow

• question_answer128)
  Which of the properties remains unchanged on descending a group in the periodic table [MP PMT 1997; RPMT 2002]
  A)
  Atomic size done clear
  B)
  Density done clear
  C)
  Valence electrons done clear
  D)
  Metallic character done clear
  View Solution play_arrow

• question_answer129)
  Which of the following element does not occur in liquid form [RPMT 2002]
  A)
  Hg done clear
  B)
  Li done clear
  C)
  Ga done clear
  D)
  Br done clear
  View Solution play_arrow

• question_answer130)
  The cause of periodicity of properties is
  A)
  Increasing atomic radius done clear
  B)
  Increasing atomic weights done clear
  C)
  Number of electrons in the valency orbit done clear
  D)
  The re-occurrence of similar outer electronic configuration done clear
  View Solution play_arrow

• question_answer131)
  The chemistry of lithium is very similar to that of magnesium even though they are placed in different groups [NCERT 1982]
  A)
  Both are found together in nature done clear
  B)
  Both have nearly the same size done clear
  C)
  Both have similar electronic configuration done clear
  D)
  The ratio of their charge to size is nearly the same done clear
  View Solution play_arrow