| Two elements 'F' and 'Q' belong to the same period of the modern periodic table and are in Group-1 and Group-2 respectively. Compare their following characteristics in tabular form: |
| (a) The number of electrons in their atoms |
| (b) The sizes of their atoms |
| (c) Their metallic characters |
| (d) Their tendencies to lose electrons |
| (e) The formula of their oxides |
| (f) The formula of their chlorides |
Answer:
Property
P
Q
(a)
No. of electrons in the atom
3, 11, 19
4, 12, 20
(b)
Size of atom
Bigger
Smaller
(c)
Metallic character
More metallic
Less metallic
(d)
Tendency to lose electrons
More
Less
(e)
Formula of oxide
\[{{P}_{2}}O\]
\[QO\]
(f)
Formula of their chlorides
\[PCl\]
\[QC{{l}_{2}}\]
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