04-10-2020
Chemistry

contestada

When a metal such as copper is heated it expands. Explain
what happens to the metal particles as the solid metal expands.

Respuesta :

Adele29 Adele29

04-10-2020

Explanation:

When a metal is heated the kinetic energy in the particles increases and hence the force of attraction decreases amongst the particles - as electrons try to escape due to kinetic energy. This causes the metal to expand.

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