differentiate between physical and chemical characteristics of metals and nonmetals.
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MetalsNonmetalsMetals are generally malleable and ductile.Non metals are generally brittle and can break down into smaller pieces.They are shiny and lustrous.They are not shiny and are non lustrous except iodine.They are electropositive in nature.They are electronegative in nature.
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Physical change Chemical change
It is a temporary change It is a permanent change
The original form of substance can be regained by simple physical method Original substance cannot be obtained by simple physical method
It is reversible It is irreversible
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