" 12.Write the molecular formulae for the following compounds "

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

Write the molecular formulae for the following compounds. a) Copper (II) bromide b) Aluminium (III) nitrate c) Calcium (II) phosphate d) Iron (III) sulphide e) Mercury (II) chloride. f) Magnesium (II) Acetate.

Write the molecular formulae for the following compounds. a) Copper (II) bromide b) Aluminium (III) nitrate c) Calcium (II) phosphate d) Iron (III) sulphide e) Mercury (II) chloride. f) Magnesium (II) Acetate.

Based on the group valency of elements write the molecular formula of the following compounds giving justification for each : Halide of the elements of group thirteen, and

Based on the group valency of elements write the molecular formula of the following compounds giving justification for each : Oxide of first group elements.

Write the molecular formula of the following compounds and draw their electron-dot structures : (i) Ethane (ii) Ethene (iii) Ethyne

Based on the group valency of elements write the molecular formula of the following compounds giving justification for each : Compound formed when an element, A of group 2 combines with an element B of group seventeen.

Based on the group valenvy of elements write the molecular formula of the following compounds giving justification for each: (i) Oxide of first group elements. (ii) Halide of the elements of group thirteen, and Compounds formed when an element, A of group 2 combines with an element, B of group seventeen.