balanced or unbalanced chemical equations

balanced or unbalanced chemical equations

Assessment

Flashcard

Science

8th Grade

Hard

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16 questions

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1.

FLASHCARD QUESTION

Front

What are the small numbers in a chemical formula called?

Back

Subscripts

2.

FLASHCARD QUESTION

Front

Is the equation Ag + O2 ---> 2Ag2O balanced or unbalanced?

Back

Unbalanced

3.

FLASHCARD QUESTION

Front

Is the equation Fe + S ---> FeS balanced or unbalanced?

Back

Balanced

4.

FLASHCARD QUESTION

Front

What do the red numbers in a chemical equation represent?

Back

Coefficients

5.

FLASHCARD QUESTION

Front

Which of the following equations is balanced? P4 + 3O2 ---> 2P2O3, N4 + 3F2 ---> 2NF3, 2LiF + Br2 ---> 2LiBr + F4

Back

P4 + 3O2 ---> 2P2O3

6.

FLASHCARD QUESTION

Front

What is a balanced chemical equation?

Back

A chemical equation where the number of atoms for each element is the same on both sides.

7.

FLASHCARD QUESTION

Front

What is an unbalanced chemical equation?

Back

A chemical equation where the number of atoms for each element is not the same on both sides.

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