Question

metals and non metals

Answer 1

The element which form cation by losing the electron is called metal. Expect-hydrogen.
For ex-sodium

The element which form anion by gaining the electron is called non metal. For ex- oxide

Answer 2

Metal
A metal (from Greek μέταλλον métallon, "mine, quarry, metal") is a material (an element, compound, or alloy) that is typically hard when in solid state.

Nonmetal
In chemistry, a nonmetal (or non-metal) is a chemical element that mostly lacks metallic attributes. Physically, nonmetals tend to have relatively low