Question

multiple choice question
for an element in an ionic compound, the number of electrons transferred from the atom to form the ion is the ______ number.

options:

• oxidation
• electron
• charge
• reduction

Explanation:

The oxidation number (or oxidation state) of an element in an ionic compound represents the number of electrons transferred (lost or gained) by an atom to form its ion. Electron refers to the subatomic particle, charge is the resulting electrical property, and reduction is the gain of electrons (the opposite of oxidation).

Answer:

A. oxidation