Compounds

Compounds

Assessment

Flashcard

Chemistry

7th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a compound?

Back

A compound is a pure substance formed when two or more different elements are chemically bonded together.

2.

FLASHCARD QUESTION

Front

Are compounds pure substances?

Back

Yes, compounds are considered pure substances because they consist of only one type of molecule.

3.

FLASHCARD QUESTION

Front

What is the difference between a compound and a mixture?

Back

A compound is made of two or more elements chemically combined, while a mixture is a combination of two or more substances that are not chemically bonded.

4.

FLASHCARD QUESTION

Front

Can compounds be broken down into simpler substances?

Back

Yes, compounds can be broken down into their constituent elements through chemical reactions.

5.

FLASHCARD QUESTION

Front

What is the chemical formula for sodium carbonate?

Back

Na2CO3

6.

FLASHCARD QUESTION

Front

How many elements are in the compound Na2CO3?

Back

There are 3 elements: sodium (Na), carbon (C), and oxygen (O).

7.

FLASHCARD QUESTION

Front

Do the properties of a compound resemble the properties of its elements?

Back

No, the properties of a compound are usually different from the properties of the elements that make it up.

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