Counting Atoms REVIEW

Front

What is the chemical formula for Aluminum Sulfate?

Back

Al₂(SO₄)₃

Front

How many total atoms are in the formula Al₂(SO₄)₃?

Back

14

Front

How many Oxygen atoms are in the formula Al₂(SO₄)₃?

Back

12

Front

How many Sulfur atoms are in the formula Al₂(SO₄)₃?

Back

3

Front

In the formula MgSO₄, how many more Oxygen atoms are there than Magnesium atoms?

Back

3

Front

Which element has the greatest number of atoms in the formula AgNO₃?

Back

Oxygen

Front

What do coefficients in chemical formulas indicate?

Back

Coefficients multiply the number of all atoms in the formula.

Front

How many Magnesium atoms are in the formula MgSO₄?

Back

1

Front

What is the total number of Sulfur and Oxygen atoms in the formula Al₂(SO₄)₃?

Back

15 (3 Sulfur + 12 Oxygen)

Front

What is the significance of parentheses in chemical formulas?

Back

Parentheses indicate that the enclosed atoms are multiplied by the coefficient outside.