Chemical Reactions

Chemical Reactions

Assessment

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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