Question

What do you mean by the term metals and non- metals.

Answer 1

metal --- the characteristics such as the brightness ,lusture, hard and ability to conduct heat and electricity
these are generally malleable(can be beaten into thin sheets )
these are ductile (can be drawn into wires )
example - iron, silver etc.


non metals -------- they are neither malleable not ductile
they have low melting and boiling point
example - carbon, hydrogen etc..

Answer 2

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✔✔ YOUR ANSWER ⏭

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▶ METALS Metals those substances which lose electrons to complete their octet and thus acquire a positive charge.Metals are generally lustrous, ductile, malleable, sonorous and hard (there are some exceptions) . The usually have high melting point and boiling point (there are some exceptions).
For example :- Sodium, Magnesium, Aluminium, Iron etc.

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▶ NON - METALS Non - metals are those substances which gain electrons to complete their octet and thus obtain a negative charge. They are usually not lustrous, sonorous, ductile, malleable and hard except some. They generally have low melting and boiling point except some.
For example :- Carbon, Hydrogen, Oxygen, Nitrogen, Sulphur etc.

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