Hydrogen resembles halogens in many respects for which several factors are responsible. Of the following factors which one is most important in this respect ?

Options

A. Its tendency to lose an electron to form a cation.
B. Its tendency to gain a single electron in its valence shell to attain stable electronic configuration.
C. Its low negative electron gain enthalpy value.
D. Its small size.

Answer

B

Explanation

Hydrogen resembles halogens as it has similar tendency to gain a single electron to attain stable noble gas configuration.