Which has higher mobility, electron of hole?

Which has higher electron affinity, F or Cl ?

Which has higher ionization energy out of Be and B and why ? 1

Name. the element, which has the highest electron gain enthalpy or electron affinity value in the periodic table.

What is electron mobility?

Out of o-dichlorobenzene and p-dichloro-benzene, which has higher melting point and why ?

It is easier to remove an electron from sodium than from copper, why? Which metal has higher value of threshold frequency?