Question

When atoms like those of chlorine or oxygen pick up an electron, they release energy and assume a more stable form. This energy released is said to be a measure of the:

• A. electrochemical potential
• B. electron affinity
• C. explosive power of the atom
• D. nuclear stability

Answer 1

The correct option is B electron affinity

$e^{-}$ affinity is the energy released when an $e^{-}$ is added to the outermost shell of an element to fulfill its' octet.