Among the alkali metals,cesium reacts more rapidly than sodium because:
A)cesium has more electrons
B)cesium has more neutrons
C)the valence electron of cesium is at a greater average distance from the nucleus
D)cesium has a higher atomic weight
E)cesium has more protons

Question

Quizplus · Accepted Answer

The valence electron of cesium is at a greater average distance from the nucleus, making it more easily accessible for chemical reactions.

Among the Alkali Metals,cesium Reacts More Rapidly Than Sodium Because