Which one of the following trends occurs as one moves down the group 1A (1) elements from Li to Cs?
A) metallic character decreases
B) electronegativity increases
C) melting point increases
D) first ionization energy increases
E) chemical reactivity increases

Question

Quizplus · Accepted Answer

As you move down group 1A from Li to Cs, the atomic size increases, which leads to a decrease in ionization energy and an increase in chemical reactivity.

Which One of the Following Trends Occurs as One Moves