Question

(a) Compare metals and non-metals based on their physical properties (any four).

Answer 1

Answer:

very tough question.

Explanation:

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Answer 2

Answer:

 Properties of Metals :

 1. Metals are malleable and ductile.

2. Metals are good conductors of heat and electricity.

3. Metals are lustrous.

4. Metals are strong .They have high tensile strength.(except sodium and potassium which are not strong and have low tensile strength)

Properties of Non Metal :

1. Non-metals are neither malleable nor ductile.

 2. Non-metals are poor conductors of heat and electricity.(except graphite which is a good conductors of electricity).

3. Non-metals are non-lustrous.

 4. Non-metals are not strong. They have low tensile strength

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