Chemical Formula Bonds and Equations

Chemical Formula Bonds and Equations

Assessment

Flashcard

Science

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a coefficient?

Back

A constant that multiplies a variable in a chemical equation.

2.

FLASHCARD QUESTION

Front

What is an element?

Back

A substance that cannot be decomposed into simpler substances by chemical means.

3.

FLASHCARD QUESTION

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

4.

FLASHCARD QUESTION

Front

What is a molecule?

Back

The smallest unit of a chemical compound that retains its chemical properties.

5.

FLASHCARD QUESTION

Front

What is the law of conservation of matter?

Back

Matter cannot be created or destroyed in a chemical reaction; it can only change forms.

6.

FLASHCARD QUESTION

Front

What is a chemical equation?

Back

A symbolic representation of a chemical reaction showing the reactants and products.

7.

FLASHCARD QUESTION

Front

What are reactants?

Back

Substances that undergo a chemical change in a reaction.

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