Chemical Reactions

Flashcard
•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
In a chemical reaction, no new types of atoms are created, and no atoms are destroyed. True or False?
Back
True
2.
FLASHCARD QUESTION
Front
The blue numbers in a chemical formula represent what?
Back
Subscripts
3.
FLASHCARD QUESTION
Front
What are the starting materials in a chemical reaction called?
Back
Reactants
4.
FLASHCARD QUESTION
Front
A change in the shape of an object is an example of what type of change?
Back
A physical change
5.
FLASHCARD QUESTION
Front
What indicates that a chemical equation is balanced?
Back
If the number of atoms in the reactants is the same as the number of atoms in the products.
6.
FLASHCARD QUESTION
Front
What is a chemical reaction?
Back
A process where reactants transform into products, involving the breaking and forming of bonds.
7.
FLASHCARD QUESTION
Front
What are products in a chemical reaction?
Back
The substances formed as a result of a chemical reaction.
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