Question

in third period of modern periodic table, which element have smaller atomic size Na or cl​

Answer 1

Answer:

The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon. In a period from left to right atomic size decreases due to Increase in nuclear charge. ... so the smallest element in a period is the halogen.so chlorine Cl is the smallest.

Explanation:

plz mark me brainly answer thanks for the question

Answer 2

Answer:

chlorine

Explanation:

I hope it helps