Chemistry
The valency of sodium is one. Write the molecular formula for the following compounds of sodium.
(a) sodium oxide
(b) sodium sulphate
(c) sodium carbonate
(d) sodium hydroxide
(e) sodium nitrate
Related Questions
Write the names of the following compounds.
(a) (NH4)2SO4
(b) Ca(NO3)2
(c) FeS
(d) Na3PO4
(e) NH4OH
(f) CuCO3
(g) HgO
(h) ZnCl2
(i) ZnS
(j) H2S
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
What is variable valency? Give two examples of elements showing variable valency.
Give the group number of the following elements present in periodic table.
(a) Magnesium
(b) Carbon
(c) Sulphur
(d) Neon