UNIT 2 Assessment ONLY ONE ATTEMPT
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
The compounds that go into a reaction are called __________.
Back
reactants
2.
FLASHCARD QUESTION
Front
The compounds that come out of a reaction are called __________.
Back
products
3.
FLASHCARD QUESTION
Front
What does it mean for an equation to be balanced?
Back
There are the same number of atoms on the reactant side and the product side of the equation.
4.
FLASHCARD QUESTION
Front
When atoms rearrange to form new substances, a __________________________ has taken place.
Back
Chemical Reaction
5.
FLASHCARD QUESTION
Front
What is the law of conservation of mass?
Back
Mass is neither created nor destroyed in a chemical reaction; the total mass of reactants equals the total mass of products.
6.
FLASHCARD QUESTION
Front
Which of the following is NOT a sign of a chemical reaction?
Back
Change in phase solid to liquid.
7.
FLASHCARD QUESTION
Front
What is a chemical equation?
Back
A representation of a chemical reaction using symbols and formulas.
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