A chemical reaction that releases energy.
Chemistry Unit Review
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Science
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7th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Exothermic
2.
FLASHCARD QUESTION
Front
What happens to the temperature in exothermic reactions?
Back
Increases
3.
FLASHCARD QUESTION
Front
A chemical reaction that absorbs energy.
Back
Endothermic
4.
FLASHCARD QUESTION
Front
Physical or chemical change: Sugar dissolves in water.
Back
Physical
5.
FLASHCARD QUESTION
Front
Positively charged particle in the nucleus of an atom.
Back
Proton
6.
FLASHCARD QUESTION
Front
Negatively charged particle in an atom.
Back
Electron
7.
FLASHCARD QUESTION
Front
Neutral particle in the nucleus of an atom.
Back
Neutron
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