state any five physical properties of metals and five physical properties of non-metals.
Answers
Explanation:
Properties of metal and non-metal elements:-
Metals are placed on the left-hand side of the periodic table, and non-metals on the right
Physical Properties of Nonmetals
Physical State: Most of the non-metals exist in two of the three states of matter at room temperature: gases (oxygen) and solids (carbon). ...
Non-Malleable and Ductile: Non-metals are very brittle, and cannot be rolled into wires or pounded into sheets.
Metals:-
Good electrical conductors and 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).
Answer:
5 physical properties on the basis of which metals can be distinguished from non-metals are:
1. Metals are malleable and ductile. They can be hammered into thin sheets and drawn into thin wires.
E.g Gold & Silver
Non metals are brittle they are neither malleable not ductile. They break into small pieces when hammered.
E.g sulphur & phosphorus are brittle
2. Metals are good conductors of heat and electricity.
E.g silver, copper , aluminium
Non metals are bad conductors of heat and electricity except diamond & graphite.
E.g sulphur & phosphorus
3. Metals are lustrous and can be polished.
E.g Gold & silver, Copper
Non metal or non lustrous and cannot be polished except iodine which is a lustrous non metal.
E.g sulphur & phosphorus
4. Metal are sonorous they make ringing sound when struck.
Non metal are not sonorous.
5. Metals and strong and tough they have high tensile strength.
E.g Iron
Non metal are not strong they have low tensile strength.
E.g graphite
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