Covalent Bonds

Covalent bonds are formed when 2 non-metal atoms share pairs of electron. Covalent bonds are strong because the shared electron is attracted to both atoms.

Ionic Bonds

Ionic bonds is when metals react with non-metals, electrons are transferred, forming ions.

Naming Compounds-

Ionic compounds from two different elements end in '-ide

Ionic compounds from 3 or more different elements end in -ate.

Metallic Bonds

Metallic bonds are the electrostatic attractions between positive ions and negative delocalised electrons.