Give reason for the following:i. Electron affinity of fluorine is smaller than chlorine. ii. Electron affinity of Noble gases are zero. iii. Electron affinity of halogens are very high.

Give reason for the following:i. Electron affinity of fluorine is smal

1.	Give reason for the following:i. Electron affinity of fluorine is smaller than chlorine. ii. Electron affinity of Noble gases are zero. iii. Electron affinity of halogens are very high.
Answer» i) it is due to exception ,EA of 3rd period is always greater than 2nd period. ii)Ea of noble gases are 0 because they have full field ORBITALS. III)electron affinity of nonmetals is higher than that of metals.