Differentiate between mtal and non metal

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Differentiate between mtal and non metal

Posted by Sonu Singh 6 years, 2 months ago

CBSE > Class 08 > Science

1 answers

Sia ? 6 years, 2 months ago

Differences between metal and a non-metal on the basis of chemical properties.

Metals	Non-metals
1) They form basic oxides.	1) They form acidic or neutral oxides.
2) They displace hydrogen from dilute acids.	2) They don't displace hydrogen from dilute acids.
3) Usually they don't combine with hydrogen. Only a few reactive metals combine with hydrogen to form metal hydroxide which are electrovalent compounds.	3) They react with hydrogen to form hydrides which are covalent compounds.
4) They form chlorides which are electrovalent compounds.	4) They react with chlorine to form chlorides which are covalent compounds.
5) Metals react with water to produce metal oxide (or metal hydroxide) and hydrogen gas.	5) Non-metals do not react with water.

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