Question

In the long form of periodic table, ..... group elements can release maximum amount of energy by the addition of electron into its valence shell.

• A. VI
• B. VII
• C. VIII
• D. V

Answer 1

Answer: (B)

VII

For the elements to release maximum amount of energy by the addition of electron into its valence shell of the atoms should be large.

Hence, $VI{I}^{th}$ group will be of large size atoms.

Electron affinity increases from left to right in period.

Option B is correct.