Balancing Chemical Equations

Balancing Chemical Equations

Assessment

Flashcard

Chemistry

10th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

Matter cannot be gained or lost in a chemical reaction.

2.

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.

3.

FLASHCARD QUESTION

Front

What does a coefficient in a chemical equation represent?

Back

The number of molecules or atoms of a substance in a reaction.

4.

FLASHCARD QUESTION

Front

What is a subscript in a chemical formula?

Back

A small number written after an element symbol indicating the number of atoms of that element in a molecule.

5.

FLASHCARD QUESTION

Front

How do you balance the equation: H2 + Cl2 -> HCl?

Back

2H2 + Cl2 -> 2HCl.

6.

FLASHCARD QUESTION

Front

What is the first step in balancing a chemical equation?

Back

Write the unbalanced equation.

7.

FLASHCARD QUESTION

Front

What is the purpose of balancing chemical equations?

Back

To ensure that the same number of each type of atom is present on both sides of the equation.

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