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Chemical Rxns & Balancing Equations_PhySci

Chemical Rxns & Balancing Equations_PhySci

Assessment

Flashcard

Chemistry

6th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What are the products in a chemical reaction?

Back

The substances formed as a result of a chemical reaction.

2.

FLASHCARD QUESTION

Front

What are reactants in a chemical equation?

Back

The substances that undergo a chemical change in a reaction.

3.

FLASHCARD QUESTION

Front

What is a coefficient in a chemical equation?

Back

A number placed before a formula to indicate how many molecules or atoms are involved in the reaction.

4.

FLASHCARD QUESTION

Front

What is the purpose of balancing a chemical equation?

Back

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

5.

FLASHCARD QUESTION

Front

What does a subscript in a chemical formula indicate?

Back

The number of atoms of an element in a molecule.

6.

FLASHCARD QUESTION

Front

How many oxygen atoms are in the formula 4H₂O₂?

Back

8 oxygen atoms.

7.

FLASHCARD QUESTION

Front

What is the law of conservation of mass?

Back

Matter cannot be created or destroyed in a chemical reaction.

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