Question

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

Giving reasons, explain the following:

(ii) Atom of element C has a larger size than atom of element A.

Answer 1

Reason why the atom of element C has a larger size than the atom of element A.

1. Because atom of element C belongs to period 3rd and has 3 shells.
2. The atom of element A belongs to period 2nd and will only have 2 shells.
3. That's the reason why an atom of element C would have a larger atomic size than an atom of element A.