Question

Arrange the following as per instructions given in the brackets:
i. C, Be, B, Li (increasing order of atomic size).
ii. Na, Mg, Al, Si (decreasing order of their ionisation potential).
1. K, Ga, Ca, As (increasing electronegativity).
iv. Cs, Na, Li, K (increasing metallic character).
F.1, Cl, Br (decreasing order of their melting point).​

Answer 1

Answer:

a. C < B < Be < Li

b. Na < Al < Mg < Si

c. K < Ca < Ga < As

d. Li < Na < K < Cs

e. F < Cl < Br

hope this will help you.