a. Mention one physical property of a metal OR a non – metal which is exceptional to their general properties.
b. Write the chemical equation for a non – metallic oxide reaction with water?
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Answer:
Mercury is liquid metal unlike others.
Diamond is hardest non metal unlike others.
Graphite is a non metal which flows electricity unlike others.
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Answer:
metal is malleable
non metal is ductile
metal is hard except sodium
non metal is soft except diamond
b) non metal do not react with water to envolve hydrogen gas
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