Electron affinities of halogens are very high.

Present a comparative account of the following: Electron affinities of fluorine and chlorine.

What do you understand by electron affinity of an element ? Why electron affinity of chlorine is more than that of fluorine.

Discuss how electron affinity of elements changes along a period and down a group.

Why third ionisation enthalpy of Mn is very high?

Which halogen has the highest electron gain enthalpy and which halogen has the highest Electronegativity?

Select the correct answer :Diamond has a very high/low melting point.