Elements in modern periodic table are classified into three parts metals, non-metals and metalloids.

Metals- Metals are those elements which donate electrons.

Ex- Na, K, Rb, Mg, Ca

Non-metals- Nono-metals are those elements which accept electrons.

Ex- N, O, F, Cl

Metalloids- Metalloids are those elements which show property of both metals and non-metals.

Ex- B, Si, Ge