Question

Lithium atom is smaller than sodium atom give reason

Answer 1

Li has 2 shells and Na has 3 shells. So Li is smaller than Na. Chlorine is smaller than S and have high nuclear force of attraction also called efeecvtrive nuclear charge. This results the increase in ability to gain electron.Atomic radius increases as we move down in a group.This is due the fact that lithium has two orbitals while sodium has four orbitals .Hence size of Na atom is bigger than that of Li .

Hope this help you

Answer 2

Answer:

Li has 2 shells and Na has 3 shells. So Li is smaller than Na. Chlorine is smaller than S and have high nuclear force of attraction also called efeecvtrive nuclear charge. This results the increase in ability to gain electron.Atomic radius increases as we move down in a group. This is due the fact that lithium has two orbitals while sodium has four orbitals. Hence size of Na atom is bigger than that of Li.

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