10. Periodic Properties of the Elements

Which of the following elements releases the most energy when gaining an electron?

Which statement best describes the electron affinity trends for noble gases and halogens on the periodic table?

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

Which element has the highest electron affinity (most negative value)?

Which reaction below represents the electron affinity of Li?

Which group of elements in the periodic table absorbs the most energy (has the least negative electron affinity) when gaining an electron?

Which of the following best describes the general trend for electron affinity values as you move from left to right across a period in the periodic table?

Of the following elements, ________ has the most negative electron affinity.

Which of the following correctly represents the electron affinity of bromine?

Which of the following best explains why noble gases do not normally form chemical bonds?

Which of the following elements can form compounds with an expanded octet?

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

Which of the following elements has the lowest electron affinity?

Which statement best describes the relationship between an element's position in a period and its number of valence electrons?