1.

Give four differences between metals and non-metals with reference to their(a) Melting point and boiling point,(b) Conductivity of heat and electricity,(c) Malleability(d) Solubility

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MetalsNon-metals
(a) Melting point and boiling point,Metals have both high melting point and boiling point.Non-metals have both low melting and low boiling point. 
(b) Conductivity of heat and electricityThey are good conductors of heat and electricity.Non-metals are bad conductors of heat and electricity.
(c) MalleabilityMetals are usually malleable.All non-metal are non- malleable.
(d) SolubilityMetals are generally insoluble in water and other organic solvents.They are both soluble and insoluble.


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