Question

N3 - How many electrons were lost or gained to form each ion?

Select the correct choice below:

A. It gained 3 electrons.
B. It lost 3 electrons.
C. It gained 2 electrons.
D. It lost 2 electrons.

Answer 1

The ion N3- has gained 3 electrons to have a 3- charge, indicating it is a negatively charged ion.

Step-by-step explanation:

When determining whether an ion has gained or lost electrons, it is important to consider the charge of the ion. Ions that are negatively charged have gained electrons and ions that are positively charged have lost electrons.

For the ion N3-, the 3- indicates that it has gained three electrons to achieve that charge state. Therefore, the correct choice is that it gained 3 electrons.