Write the chemical formula of calcium oxide ​

Answers 2

Answer:

CaO

The chemical formula of calcium oxide is CaO. The molecule is formed by the calcium cation Ca+2 and the oxygen anion O2-, which form an ionic bond.

The Chemical formula of Calcium oxide is CaO.

  • While writing Chemical formulae we first write the symbols of the respective elements and their valencies.
  • In the next step, we cross multiply the valencies with the latter atom and form the compound.
  • The Formula of Calcium Oxide:

      Symbol:     Ca          O

      Valency:       +2         -2      

In this case, when we cross multiply Ca with -2 we get Ca2 and when we multiply O with +2 we get O2. This way we get Ca2O2. when we simplify this we get CaO.

The Chemical Formula of Calcium Oxide is CaO.

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