Deduce the molecular formulae of the compound obtained from the following pairs of elements by the cross multiplication method.
Ca (Valency 2) & O (Valency 2)
Ca (Valency 2) & O (Valency 2) Step 1 : Write the symbols of the radicals. Ca O Step 2 : Write the valency below the respective radical. Ca O 2 2 Step 3 : Cross-multiply symbols of radicals with their respective valency.
Step 4 : Write down the chemical formula of the compound.