Which of the following elements are non-metals?
Boron (B)
Carbon (C)
Neon (Ne)
Argon (Ar)
Magnesium (Mg)
Potassium is the 13th element in the periodic table and it's chemical symbol is S.
is the 7th element Aluminium's symbol is Calcium is 0th is not considered a metal or a non-metal The first five elements are Hydrogen, , , Beryllium and The 15th element to the 20th elements are P, , , K and Ca
