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Metals

Non-metals

1.Metals are malleable and ductile

1. Non-metals are neither malleable nor ductile. They are brittle.

2. Metals are good conductors of heat and electricity.

2. Non-metals are poor conductors of heat and electricity (except graphite which is a good conductor of electricity).

3. Metals are lustrous (or shiny).

3.Non- metals are not lustrous (or shiny). They are dull.

4. Metals are strong. They have high tensile strength (except sodium and potassium which are not strong and have low tensile strength).

4. Non-metals are not strong. They have a low tensile strength.

5. Metals are sonorous. They make a ringing sound when struck.

5. Non-metals are nor sonorous. They do not make a ringing sound when struck.

6. Metals are generally hard (except sodium and potassium which are soft metals).

6. Solid non-metals are quite soft (except diamond which is extremely hard).