I. The atomic radii increase along a period from left to right. |
II. In periodic table isotopes are given separate places. |
III. The oxides of metals are basic in nature. |
IV. Na, Mg and Al belong to the same period. |
A) I and IV only
B) II and IV only
C) I and II only
D) III and IV only
Correct Answer: C
Solution :
The atomic radii decrease along a period from left to right and isotopes are not given separate places in the periodic table as they have same atomic number.You need to login to perform this action.
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