What is the name of the ion S^2 A Sulfide ion B Sulfur molecule C Sulfur ion D Sulfate ion

The correct answer is A) Sulfide ion.<br /><br />The ion $S^{2-}$ is called the sulfide ion. It is formed when a sulfur atom gains two electrons, resulting in a negative charge of -2. The sulfide ion is commonly found in various compounds, such as sodium sulfide (Na2S) and magnesium sulfide (MgS).