Which one of the following is a metal?You may use the periodic table on the final slide to help you.PhosphorousMagnesiumIodineNitrogen

To determine which of the following elements is a metal, we can classify each element based on its position in the periodic table.

1. Phosphorus (P): This element is a nonmetal. It is located in group 15 of the periodic table and is known for forming covalent compounds.

2. Magnesium (Mg): This is a metal. It belongs to group 2 and is known as an alkaline earth metal. Magnesium is known for its reactivity and is commonly used in alloys and as a reducing agent.

3. Iodine (I): This element is a nonmetal. It is located in group 17 and is a halogen, known for its diatomic form and role in biological processes.

4. Nitrogen (N): This element is also a nonmetal. It is situated in group 15, like phosphorus, and exists primarily in a gaseous form at room temperature.

Final Answer

The metal from the given options is Magnesium (Mg).