Question

B) Arrange the following as per the instruction in the brackets:
i) He, Ne, Ar [Increasing order of the number of electron shells]
ii) Na, Li, K [Increasing ionisation energy]
iii) F, CI, Br [Increasing electro negativity]
iv) Na, K, Li [Increasing atomic size]
v) N, O, F [ Increasing electron affinity]​

Answer 1

Answer:

iii) F, CI, Br [Increasing electro negativity]