Of the following elements,________ has the most negative electron affinity.
A)P
B)Al
C)Si
D)Cl
E)B

Question

Quizplus · Accepted Answer

Electron affinity is the energy change associated with adding an electron to a neutral atom in the gaseous phase. This process is exothermic and releases energy. Among the given elements, chlorine (Cl) has the highest electron affinity as it has the highest tendency to attract an additional electron due to its high effective nuclear charge and small atomic size.

Of the Following Elements,________ Has the Most Negative Electron Affinity