What type of reaction releases energy in the form of heat?
Chemistry Unit Review
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•
Chemistry
•
6th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Exothermic reaction
2.
FLASHCARD QUESTION
Front
What is the chemical name for NaCl?
Back
Sodium chloride
3.
FLASHCARD QUESTION
Front
Can a pure substance be made of compounds?
Back
True
4.
FLASHCARD QUESTION
Front
What charge does an electron have?
Back
Negative
5.
FLASHCARD QUESTION
Front
Which of the following is an example of a pure substance?
Back
Gold
6.
FLASHCARD QUESTION
Front
What is the process called when a solid turns into a gas without becoming a liquid?
Back
Sublimation
7.
FLASHCARD QUESTION
Front
What is the smallest unit of an element that retains its properties?
Back
Atom
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