Balancing Chemical Equations

Balancing Chemical Equations

Assessment

Flashcard

Science

8th Grade

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

It states that matter cannot be created or destroyed.

2.

FLASHCARD QUESTION

Front

Balance this equation: _Al + _HCl --> _H2 + _AlCl3

Back

2,6,3,2

3.

FLASHCARD QUESTION

Front

What is a coefficient?

Back

The large number in front of a chemical formula.

4.

FLASHCARD QUESTION

Front

What are reactants in a chemical equation?

Back

The substances that undergo a chemical change, found on the left side of the equation.

5.

FLASHCARD QUESTION

Front

What are products in a chemical equation?

Back

The substances formed as a result of a chemical reaction, found on the right side of the equation.

6.

FLASHCARD QUESTION

Front

What does it mean to balance a chemical equation?

Back

To ensure that the number of atoms for each element is the same on both sides of the equation.

7.

FLASHCARD QUESTION

Front

What is the total number of atoms present in 5Na3PO4?

Back

40

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