Question

write three points of difference between metals and nonmetals on the basis of their physical properties and give two example of each

Answer 1

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Metals:

Metals are usually good conductors of heat and electricity.

They are hard, opaque, shiny, lustrous and malleable and ductile.

Metals usually form ionic bonds.

None-Metals:

Non-metals are usually good insulators of heat and electricity.

They are usually brittle and have dull appearence.

None-metals usually form covalent compounds.

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Answer 2

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Metal

1. They are mostly lusturous, and have a shiny surface.

2. Almost all metals are sonorous,and produce sound when beaten.

3. Almost all metals are good conductor of heat and electricity.

4. Most of the metals aur ductile and can be drawn into thin wire .

5. They are malleable and can be drawn into thin sheets.

6. All exist as solids exept mercury which is liquid.

Non metals

1. Non lusturous

2.non sonorous

3. Not good conductor of heat and electricity exept graphite which is good conductor of electicity.

4. Non ductile

5. Non malleable

6. Exist as solids or gases exept bromine which is liquid at room temperature.

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