Question

write the difference between metals and non metals on the basis of their physical properties
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Answer 1

Answer:

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Answer 2

Metals

• Metals are very hard except for sodium.
• Metals are generally malleable and ductile.
• They are shiny and lustrous.
• They are electropositive in nature.
• Metals are good conductors of heat and electricity.
• They are used in machinery. Example: Copper, silver, gold etc.

Nonmetals

• Non metals are soft except for diamonds.
• Non metals are generally brittle and can break down into smaller pieces.
• They are not shiny and are non lustrous except iodine.
• They are electronegative in nature
• Non metals are generally bad conductors of heat and electricity except graphite.
• They have medicinal and chemical uses. Example: carbon, oxygen, sulphur etc

Note: Physical properties are those that can be observed without changing the identity of the substance. Some examples of physical properties are density , volume mass ,boiling point , melting point, colour ,etc. On the basis of physical properties , of metals and non-metals we classify them as lustrous, non - lustrous , hard, soft etc.