Counting Atoms

Counting Atoms

Assessment

Flashcard

Biology

8th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a chemical formula?

Back

2.

FLASHCARD QUESTION

Front

Back

Iron (Fe) and Oxygen (O).

3.

FLASHCARD QUESTION

Front

How do you determine the total number of atoms in a chemical formula?

Back

4.

FLASHCARD QUESTION

Front

Back

There are 4 Oxygen atoms and 1 Magnesium atom, so there are 3 more Oxygen atoms.

5.

FLASHCARD QUESTION

Front

Back

There are 2 (H) + 2 (O) = 4 total atoms.

6.

FLASHCARD QUESTION

Front

Back

There are 10 Magnesium atoms.

7.

FLASHCARD QUESTION

Front

What does the subscript in a chemical formula indicate?

Back

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