Counting Atoms and Balancing Equations

Counting Atoms and Balancing Equations

Assessment

Flashcard

Science, Specialty, Professional Development

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a balanced chemical equation?

Back

A balanced chemical equation shows that the same number of atoms in the reactants are also in the products.

2.

FLASHCARD QUESTION

Front

What are the products in a chemical equation?

Back

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

3.

FLASHCARD QUESTION

Front

What does the Law of Inertia state?

Back

The Law of Inertia states that an object at rest will remain at rest unless acted upon by an unbalanced force.

4.

FLASHCARD QUESTION

Front

What does a subscript indicate in a chemical formula?

Back

A subscript indicates the number of atoms of the element in a molecule.

5.

FLASHCARD QUESTION

Front

What is a coefficient in a chemical equation?

Back

A coefficient is a big number placed in front of a chemical formula that indicates how many molecules of that substance are present.

6.

FLASHCARD QUESTION

Front

What is the Law of Conservation of Mass?

Back

The Law of Conservation of Mass states that mass is neither created nor destroyed in a chemical reaction.

7.

FLASHCARD QUESTION

Front

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

Back

An unbalanced chemical equation does not have the same number of atoms of each element on both sides of the equation.

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