Of the following elements,________ has the most negative electron affinity.
A)O
B)K
C)B
D)Na
E)S

Question

Quizplus · Accepted Answer

Sulfur (E) has the most negative electron affinity among the options given. Electron affinity generally increases across a period from left to right in the periodic table. Sulfur, being to the right of oxygen in the same period and in the same group as oxygen, has a more negative electron affinity than oxygen, boron, potassium, and sodium.

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