Question

11. Give reason:
a) Chlorine has high negative electron gain enthalpy than flourine.
b) Lithium resembles magnesium.
c) Noble gases have high ionization enthalpy along the peiod.

Answer 1

b.lithium resembles magnesium due to the diagonal relationship.

c.since noble gases lie at the end that is the extreme right side and ionisation energy increases as we go from left to right in a period