Chapter No. 8: Metallurgy,
What are the differences between metals and nonmetals. (On the basis of their physical properties)?
Ans.
Metals
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Nonmetals
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They are ductile and malleable.
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They are brittle. (Except diamond)
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They are good conductors of heat and electricity.
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They are bad conductors of heat and electricity. (Except graphite)
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They are lustrous.
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They are non-lustrous. [Except iodine, diamond]
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They have high melting and boiling points. (Except sodium, potassium, mercury, gallium)
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They generally have low melting and boiling points.
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