Which of the following option shows the correct characteristics of metals?

High thermal conductivity

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No electrical conductivity

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Low melting point

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Non-ductile

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Solution

The correct option is A
High thermal conductivity

A metal is a material (an element) that is typically hard, opaque, shiny, and has good electrical and thermal conductivity. Metals are generally malleable that is, they can be hammered or pressed permanently out of shape without breaking or cracking. They are ductile (able to be drawn out into a thin wire) and have a high melting point.

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Question 3
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(a) (i) and (ii) (b) (i) and (iii)

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