Question

0.6- The elements of the second period of the Periodic Table are given below:
LI Be
B C N O F
(a) Give reason to explain why atomic radius decreases from Li to F?
(b) Identify the most (i) metallic and (ii) non metallic element.​

Answer 1

Answer:

a. Atomic radius decreases from Li to F due to increase in effective nuclear charge(no.of protons).

b.i. Li is the most metallic

ii. F is the most non metallic.

Metallic character decreases along the period.