Do Non Metallic Elements Form Anions?

Halogens always form anions, alkali metals and alkaline earth metals always form cations. Most other metals form cations (e.g. iron, silver, nickel), whilst most other nonmetals typically form anions (e.g. oxygen, carbon, sulfur).

Do non metals form cations or anions?

This is actually one of the chemical properties of metals and nonmetals: metals tend to form cations, while nonmetals tend to form anions.

Are anions metallic or non metallic?

Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal.