Question

what is metal and non metal

Answer 1

MetalsNonmetalsUsually have 1-3 electrons in their outer shell.Lose their valence electrons easily.Form oxides that are basic.Are good reducing agents.Have lowerelectronegativities.Usually have 4-8 electrons in their outer shell.Gain or share valence electrons easily.Form oxides that areacidic.Are good oxidizing agents.Have higherelectronegativities.Physical PropertiesMetalsNonmetalsGood electrical conductorsand heat conductors.Malleable - can be beaten into thin sheets.Ductile - can be stretched into wire.Possess metallic luster.Opaque as thin sheet.Solid at room temperature (except Hg).Poor conductors of heat and electricity.Brittle - if a solid.Nonductile.Do not possess metallic luster.Transparent as a thin sheet.Solids, liquids or gases at room temperature.

Answer 2

Metal have following properties they are:
1.Metal are generally solid and hard.
2.Metal have metallic lustre that why metal shines in their pure state.
3.Metal are melleable whatswhy when we hit it by hammer it is flattened into sheet.
4.Metals are ductile that they can drawn in shape of wire.
5.Metal are good conductor of heat and electricity.
Example.IRON,COPPER and BRONZE ETC.

Non -Metals have following property they are:
1.They are usually dull or luster less.
2.When they are tapped by hammer,they break down.
3.They are bad conductor of heat.

4.They are not sonorous as they do not produce sound.
5.They are the bad conductor of heat.
EX.DIAMOND and PLASTIC ETC.

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