Question

1. which of the following is a cation? (1pts) ☐ n³⁻ ☐ li⁺ ☐ o²⁻ ☐ fe²⁺

Explanation:

A cation is a positively charged ion. Analyze each option:

• $\text{N}^{3-}$: Has a 3- negative charge, an anion.
• $\text{Li}$: Neutral atom, no charge.
• $\text{O}^{2-}$: Has a 2- negative charge, an anion.
• $\text{Fe}^{2+}$: Has a 2+ positive charge, a cation.

Answer:

$\boldsymbol{\text{Fe}^{2+}}$