What is the name of the ion N^3- A Nitrogen ion B Nitride ion C Nitrogen molecule D Nitrate ion

The correct answer is B) Nitride ion.<br /><br />The ion $N^{3-}$ is called the nitride ion. It is formed when a nitrogen atom gains three electrons, resulting in a negative charge of -3. Nitride ions are commonly found in compounds such as calcium nitride (Ca3N2) and magnesium nitride (Mg3N2).