| Electrovalent Compounds | Covalent compounds |
| They are made up of ions; Mg2+ and Cl- | They are made up of molecules; 1carbon and 4 chlorine atoms form a molecule of CCl4. |
| They are made up of ions; Mg2+ and Cl- | They are generally gases or liquids under ordinary conditions; CCl4 is a liquid |
| They have high m.p. and b.p. | Their m.p. and b.p. are low. |
| They are easily soluble in water but insoluble in organic solvents, such as benzene, chloroform, etc. | They are insoluble in water but are usually soluble in organic solvents, such as benzene, chloroform, etc. |
