Bonding

The three types of bonding and intermolecular forces

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Ionic Bonding

Ionic bonds are formed when an electron is transferred from one atom to another.

Ionic bonds happen between a non-metal and a metal.

The electron is transferred from the metal to the non-metal as that allows both atoms to have full outer shells.

Positive and Negative ions are formed.

Sodium cholride is an example of an ionic compound.

Sodium chloride is arranged in a giant lattice structure held together by electrostatic attraction between the positive and negative ions. It is a regular cubed shape.

Ionic compounds conduct electricity when dissolved in solution or molten.

Ionic compounds have HIGH melting points due the lattice structure.

Ionic compounds tend to dissolve in water.

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Covalent Bonding

Covalent bonding is bonding between two non metals.

It happens when the two atoms share electrons to fill their outer shells

Covalent bonds hold together the molecules in most compounds.

Giant covalent structures (Macromolecular structures) have large networks of covalently bonded molecules.

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