The Characteristic Way in Which Atoms of an Element React

Question

The characteristic way in which atoms of an element react is most related to the
A)number of electrons in the valence shell.
B)number of electrons in the innermost shell.
C)number of neutrons in the nucleus.
D)size of the nucleus.

Accepted Answer

The reactivity of an element is primarily determined by the number of electrons in its valence shell, as these are the electrons involved in chemical bonding.