Question

what is the main chemical difference between metal and non metal

Answer 1

metals are malleable, ductile, good conductor of heat.
non metals are non ductile, bad conductor of heat,not malleable

Answer 2

...........METALS..............

1.All metals react with oxygen to form metal oxides.
2.Metals react with water to produce metal oxide (or metal hydroxide) and hydrogen gas.
3.Metals react with a dilute acid to form a metal salt and hydrogen gas.
4.All metals react with chlorine to form ionic metal chlorides.
5.Only a few metals like Na, K, Ca and Mg react with hydrogen to form metal hydrides.


..........NON - METALS......

1.All non-metals react with oxygen to form acidic or neutral oxides.
2.Non-metals do not react with water.
3.Non-metals do not react with a dilute acid to form a metal salt .
4.Non-metals react with chlorine to form covalent chlorides.
5.Non-metals react with hydrogen to form covalent Hydrides.




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