The reactivity of an atom arises from ________.
A) the average distance of the outermost electron shell from the nucleus
B) the existence of unpaired electrons in the valence shell
C) the sum of the potential energies of all the electron shells
D) the potential energy of the valence shell

Question

Quizplus · Accepted Answer

The reactivity of an atom primarily arises from the presence of unpaired electrons in the valence shell, as these unpaired electrons can easily participate in chemical bonds with other atoms.

The Reactivity of an Atom Arises from ________