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Veronika [31]
2 years ago
13

Help

Chemistry
1 answer:
Rudik [331]2 years ago
7 0

Answer: One change of state happens when you add energy to the substance. This change of state is called melting. By adding energy to the molecules in a solid the molecules begin to move quicker and can break away from the other molecules.

Explanation: I hoped that helped!

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Elements
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Answer:

elements are composed of

electrons with a little mass and negative charge

protons with mass and positive charge

neutrons with mass and no charge

isotopes same number of protons, different in neutrons

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aniked [119]

Answer:

8 m

Explanation:

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