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Metals are good conductors of heat because the positive metal ions are closely packed together in a symmetric position.These metal ions don’t move from their position and constantly vibrate. These vibrations from metal ions release energy and this is how a metal is a good conductor of heat.

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HIGH MELTING AND BOILING POINTS BY SHREYA

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HIGH MELTING AND BOILING POINTS BY SHREYA

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Metals have high melting points and high boiling points as they have strong metallic bonds.

However, Sodium (Na) and Potassium (K) have low melting and boiling points.

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Metals are generally physically lustrous. They have a shiny appearance.
Exception : Lead, which has a dull lustre.

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Metals are:-
Good conductors of electricity because they have low resistance.

Exception: Titanium, it is a poor conductor of heat and electricity

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Ductility

It is the property of a metal that can be drawn into wire.

Malleability

The ability of metal that can be beaten into thin sheets is called malleability.

Gold and silver are the most malleable and ductile metals
All metals are solid at room temperature with the exception of mercury (Hg), which is a liquid.