Chemistry Review

Chemistry Review

Assessment

Flashcard

Chemistry

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the formula for calculating density?

Back

Density = Mass/Volume

2.

FLASHCARD QUESTION

Front

What is the process called when a solid turns into a gas?

Back

Sublimation

3.

FLASHCARD QUESTION

Front

How many periods are there on the Periodic Table?

Back

There are 7 periods.

4.

FLASHCARD QUESTION

Front

What is a pure substance that cannot be separated into simpler substances?

Back

An element.

5.

FLASHCARD QUESTION

Front

What does the number 1.00794 represent in chemistry?

Back

It represents the atomic mass of Hydrogen.

6.

FLASHCARD QUESTION

Front

What is the smallest unit of an element that retains its properties?

Back

An atom.

7.

FLASHCARD QUESTION

Front

What is a substance made of two or more elements chemically combined?

Back

A compound.

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