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Balanced or unbalanced? P.7.5E.3

Balanced or unbalanced? P.7.5E.3

Assessment

Flashcard

Chemistry

7th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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16 questions

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1.

FLASHCARD QUESTION

Front

What does it mean for a chemical equation to be balanced?

Back

A chemical equation is balanced when the number of atoms of each element is the same on both sides of the equation.

2.

FLASHCARD QUESTION

Front

How many atoms of Chlorine are in one molecule of NaCl?

Back

1

3.

FLASHCARD QUESTION

Front

What is the chemical formula for water?

Back

H₂O

4.

FLASHCARD QUESTION

Front

How many Hydrogen atoms are in one molecule of water (H₂O)?

Back

2

5.

FLASHCARD QUESTION

Front

How many Oxygen atoms are in one molecule of carbon dioxide (CO₂)?

Back

2

6.

FLASHCARD QUESTION

Front

What is the total number of Oxygen atoms in 3 molecules of CO₂?

Back

6

7.

FLASHCARD QUESTION

Front

If an equation has more atoms of an element on one side than the other, is it balanced?

Back

No, it is unbalanced.

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