Chemistry
Write the chemical formula of the following -
(a) magnesium oxide
(b) sodium bromide
(c) calcium sulphide
(d) magnesium sulphate
(e) aluminium chloride
(f) zinc oxide
(g) calcium carbonate.
Related Questions
Four atoms of hydrogen combine with one atom of carbon to give methane [CH4]. State the valency of carbon.
Write the symbols of the following elements & radicals along with their valencies.
(a) sodium
(b) magnesium
(c) chlorine [chloride]
(d) nitrate
(e) sulphite
(f) aluminium
(g) oxygen [oxide]
(h) bromine [bromide]
(i) zinc
(j) sulphur [sulphide]
(k) sulphate
(l) hydroxide
(m) calcium
(n) carbonate
(o) potassium
(p) phosphate
(q) iodine [iodide]
Valency list:
(i) 1+
(ii) 2+
(iii) 3+
(iv) 1-
(v) 2-
(vi) 3-
Give the formulas of the following acids:
(a) hydrochloric
(b) nitric
(c) sulphuric
(d) carbonic - acid.
Give the formulas of the following gases:
(a) hydrogen chloride
(b) ammonia
(c) carbon monoxide
(d) nitric oxide
(e) nitrous oxide
(f) nitrogen dioxide
(g) nitrogen
(h) sulphur dioxide.