Electrovalent Compounds

Electrovalent compounds are compounds formed by completed transfer of electrons from a metallic atom to a non-metallic atom resulting in the formation of cation and anion.

Combination of sodium and chlorine to form sodium chloride (NaCl)

An example of a transfer of one electron (Fig. 3.1)

Combination of Magnesium and Chlorine to form Magnesium Chloride (MgCl

₂)

An example of a transfer of two electrons (Fig. 3.2)

Combination of Calcium and Oxygen to form Calcium Oxide (CaO)

An example of a transfer of two electrons (Fig. 3.3)