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- Non-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