10. Periodic Properties of the Elements

Which alkaline earth metal has the highest electron affinity?

Arrange the following elements in order of increasing electron affinity: Cl, Na, S, P.

Which of the following elements has a partially filled atomic orbital?

Which of the following best explains why electron affinity values for the noble gases are endothermic?

The affinity of an atom for an electron is also known as which of the following?

Which of the following best describes the periodic trends in electron affinity across the periodic table?

Rank the following elements by electron affinity, from most positive to most negative EA value: Na, Cl, S, Ar.

Which of the following elements has an electron affinity higher than that of oxygen?

Which of the following best describes the trend in electron affinity (EA) as you move down a group in the periodic table?

Why does carbon (C) have a more exothermic electron affinity than nitrogen (N)?

Of the following elements, which would you expect to have the largest electron affinity?

For which of the following elements will gaining an electron be the most exothermic process?

Which pair of elements has the same number of energy levels (electron shells)?

Which of the following best describes what a more negative electron affinity means for an element?

Which of the following elements has the most favorable (most negative) electron affinity?