Give the formulae of the compounds formed from the following sets of elements
(a) Calcium and fluorine
(b) Hydrogen and sulphur
(c) Nitrogen and hydrogen
(d) Carbon and chlorine
(e) Sodium and oxygen
(f) Carbon and oxygen
(a) Chemical formula of compound formed from calcium and fluorine = CaF2
(b) Chemical formula of compound formed from hydrogen and sulphur = H2S
(c) Chemical formula of compound formed from nitrogen and hydrogen = NH3 (d) Chemical formula of compound formed from carbon and chlorine = CCl4 (e) Chemical formula of compound formed from Sodium and oxygen = Na2O
(f) Chemical formula of compound formed from Carbon and oxygen = CO2 or CO