Chemical Bonding

1. metallic bond

1.1. giant metallic structure

1.1.1. atoms

1.1.1.1. strong metallic bond

1.1.2. solids (except mercury)

1.1.2.1. malleable and ductile

1.1.3. usally high m.p and b.p

1.1.4. insoluble in water

1.1.5. good conductor

2. ionic bond

2.1. giant ionic structure

2.1.1. ions

2.1.1.1. strong ionic bond

2.1.2. solids

2.1.2.1. hard and brittle

2.1.3. high melting point and boiling point

2.1.4. soluble in water

2.1.5. conduct electricity in molten state or aqueous solution

2.2. e.g: NaCl

3. covalent bond

3.1. simple molecular structure

3.1.1. molecules

3.1.1.1. weak van der waals' forces

3.1.2. gas/liquid/metal

3.1.2.1. soft

3.1.3. low melting point and boiling point

3.1.4. insoluble in water

3.1.5. non-conductors

3.2. giant covalent structure

3.2.1. atoms

3.2.1.1. strong covalent bond

3.2.2. solids

3.2.3. very high melting and boiling point

3.2.4. insoluble in water

3.2.5. non-conductors (except graphite)