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Chemistry

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Dawson Beatty

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Cards in this guide (6)
16 Why is the state of matter a physical property and not a chemical property

Because in a chemical reaction atoms are rearranged to form new substances whilst in a physical reaction or change of state the atoms are only rearranged. :D

Is when a burner gets red hot an example of a chemical change

No it is a physical change

What energy is removed or given off

Light and heat are emitted from an energy source...

What is the force that holds atoms together in a chemical bond

Electromagnetism.

What are the three subatomic particles of a molecule

Molecules contain atoms; only atoms contain subatomic particles.

What kind of change occurs when salt dissolves in water chemical or physical

This would be a physical change.

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