When the temperature of a solid reaches its melting point then
the kinetic energy breaks the bonds between atoms.
What is Temperature?
Temperature is defined as the average kinetic energy of molecules in any system or material. It can be measured in degree Celsius, Kelvin(K) and Fahrenheit(F).
What is Solid?
Solid is a substance in which the intermolecular forces between particles are so higher that particles that can't move from their position. Solid have definite shape and definite volume.
What is melting point?
Melting point of a pure substance is the temperature at which there is transition of solid phase into liquid phase.
Supporting answer
When the temperature of a solid substance increases, kinetic energy of a particle also increases and this causes them to break the intermolecular forces between particles result in transition of solid into liquid phase.
Hence, when the temperature of a solid reaches its melting point, kinetic energy breaks the bonds between atoms.
Therefore, option B is correct
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