(i) International Union of Pure and Applied Chemistry.
(ii) The symbol of Na (sodium) is derived from its Latin name Natrium.
(iii) (a) Element forming Diatomic molecule - H^O2, N2 (only one).
(b) Element forming Tetratomic molecule - P4.
(i) International Union of Pure and Applied Chemistry.
(ii) The symbol of Na (sodium) is derived from its Latin name Natrium.
(iii) (a) Element forming Diatomic molecule - H^O2, N2 (only one).
(b) Element forming Tetratomic molecule - P4.