Question

The positions of three elements$A,B$and $C$ in the Periodic Table are shown below:

Giving reasons, explain the following :

Element $C$ has a larger size than element $B$

Answer 1

Reason why Element C is larger than B.

1. Element $C$ is larger than $B$ due to the fact that it has more shells.
2. In the Periodic Table, $C$ is in the third period with three shells, whereas B is in the second period with two shells
3. Hence, Element $C$ has a larger size than element $B$ because it consists of more number of shells in it.