In modern periodic table, which are the metals, non metals and metalloids among the first 20 elements?


1.      In modern periodic table, which are the metals, non metals and metalloids among the first 20 elements?
Ans.  In the modern periodic table, among the first 20 elements, following are the metals, non – metals and metalloids.
Metals
Non  metals
Metalloids
Lithium (Li)
Beryllium (Be)
Sodium (Na)
Magnesium (Mg)
Aluminium (Al)
Potassium (K)
Calcium (Ca)
Hydrogen (H)
Helium (He)
Carbon (C)
Nitrogen (N)
Oxygen (O)
Fluorine (F)
Neon (Ne)
Phosphorus (P)
Sulphur (S)
Chlorine (Cl)
Argon (Ar)
Boron (B)
Silicon (Si)