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Tensile Strength
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- Metals are hard and have a high tensile strength.
- Carbon is the only non-metal with very high tensile strength.
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Solid State
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- Metals are in solid state at room temperature.
- Mercury is the metal that is liquid below or near room temperature.
- One non-metal, Bromine, is a liquid at room temperature.
- The other non-metals are solids at room temperature, including carbon and sulphur.
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Sonorous
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- Metals produce a typical ringing sound when hit by something.
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Conductivity
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- Metals have good conductivity of heat and electricity.
- Example: Graphite has good conductivity of heat and electricity.
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Malleable
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- Metals can be beaten into thin sheets.
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Ductile
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- Metals can be drawn into thin wires.
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Melting and Boiling Points
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- Because of conductivity of Metals have high melting and boiling points (except Caesium (Cs) and Gallium (Ga)).
- Graphite, a form of carbon (a non-metal), has a high boiling point and exists in a solid state at room temperature.
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Dense
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- Density of metals is high (except alkali metals). Osmium has the highest density, and lithium has least density
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Lustrous
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- Metals have the quality of reflecting light from their surface and can be polished, e.g., gold, silver and copper. Iodine and carbon are non-metals which are lustrous.
- Note that carbon is lustrous only in certain forms like diamond and graphite.
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Colour
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- Metals are silver-grey in colour (except gold and copper).
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