Question

Diffentiate between metal & Non-metals​

Answer 1

difference on the basis of physical properties :-

METALS:-

1) all metals are solid at room temperature except mercury, which is a liquid at room temperature.

2) all metals are lustrous.

3) metals have high densities except lithium, soduim and potassium.

4) metals are malleable (can be beaten into thin sheets).

5) metals are ductile (can be drwn into wires).

6) they are good conductors of heat and electricity.

7) they have high melting point.

NON-METALS :-

1) non-metals exists as solid, liquid and gas.

silicon is a solid, bromine is a liquid and oxygen is a gas.

2) non-metals are non-lustrous.

3) they have low density.

4) they are non-malleable.

5) they have low melying and boiling point.

6) they are poor conductors of heat and electricity.

7) they are non-ductile.

difference on the basis of chemical properties :-

METALS :-

1) Metals react with non-metals to form ionic compounds.

eg:- 2Na + Cl₂ → 2NaCl

2) metals combine with oxygen to form metal oxides which are basic in nature.

eg:- 2Mg + O₂ → 2MgO

NON-METALS:-

1) non-metals form covalent bonds.

2) non-metals dissolve in water to form acidic solutions.

eg:- SO₂ + H₂O → H₂SO₃

Answer 2

Answer:

METAL:-

1.metal is good conductor of electricity

2.metal is a lusture

NON METAL:-

1.it is a bad conductor of heat and electricity

2.non-metal do not show the lusture property.

Ex.wood.

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