Question

what happens when metal is heated​

Answer 1

Explanation:

metal expands when heated . length, surface areas and volume increase with temperature . the degree of thermal expansion varies with different types of metal . Thermal expansion occurs because heat increases the vibration of atoms in the metal .

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Answer 2

The metal is melted when it is heated.

• Metals are hard, ductile and malleable solids. They are high conductors of heat and electricity.
• When metals are heated the thermal motion and kinetic energy of the particles increases. The particles start moving randomly and undergo thermal expansion.
• Due to expansion, the metal starts melting.
• At a time the solid metal is melted into a liquid.