Question

solids contract on heating​

Answer 1

Explanation:

The normal thermal expansion of solids results from changes in the atomic motions that make up these lattice vibrations. As heating adds more kinetic energy to the system, the lattice structure expands (in most solids) to accommodate the increasingly energetic atomic motions.

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Answer 2

Answer:

No

Explanation:

When a solid is heated, the molecules that make up the solid begin to vibrate. This causes them to take up more space, and the solid matter expands. If the heat continues to build, it may provide enough energy for the particles to break free from their strong attraction to one another, causing the solid to melt