Chemistry
Write the molecular formula of:
(a) Sodium sulphide
(b) Magnesium oxide
(c) Calcium hydroxide
(d) Hydrogen chloride
(e) Sulphuric acid
(f) Iron (II) sulphide
(g) Iron (III) sulphate
(h) Nitric acid
(i) Calcium phosphate
(j) Aluminium sulphate
(k) Magnesium nitride
Atomic Structure
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Answer
(a) Na2S
(b) MgO
(c) Ca(OH)2
(d) HCl
(e) H2SO4
(f) FeS
(g) Fe2(SO4)3
(h) HNO3
(i) Ca3(PO4)2
(j) Al2(SO4)3
(k) Mg3N2
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