The electron affinity of `Be` is almost similar to that of

Options

A. He
B. B
C. Li
D. Na

Answer

A

Explanation

The electron affinity of Be is similar to that of helium (He). Because the electronic configuration of Be is similar to He
`""_4Be : 1s^2 , 2s^2`
`""_2He : 1s^2`.