Question

iii. From Na and Cl which one is greater in atomic radius? why?​

Answer 1

Answer:

Sodium (Na) is greater in atomic radius....

Explanation:

This is because of the nucleur charge, i.e., the atomic number increases from left to right in the same period, thereby bringing the outermost shell closer to the nucleus. Therefore, in the third period sodium atom is the largest in size and chlorine atom is the smallest....