Manipur Board Solutions for Chapter: Symbols, Formulas and Equations, Exercise 1: Let us answer these

Write down the formula of Aluminium nitrate.

Write down the formula of Zinc sulphide.

Write down the formula of Calcium hydroxide.

Write down the formula for Aluminium sulphate.

Write down the formula for iron(II) carbonate.

Name the following compounds.

$\mathrm{Cu}{\left(\mathrm{OH}\right)}_2,\mathrm{FeS},{\mathrm{Mg}}_3{\left({\mathrm{PO}}_4\right)}_2,{\mathrm{AgNO}}_3,{\mathrm{PbCO}}_3,{\mathrm{HgBr}}_2$

How many atoms are present in ${\mathrm{Al}}_2{\left({\mathrm{SO}}_4\right)}_3$molecule?

How many atoms are present in a ${\left({\mathrm{CO}}_3\right)}^{2-}$ion?