Question 1

In the chemical formula H2O, how many hydrogen (H) atoms are present?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 2

A molecule of glucose has the chemical formula

C_{6}H_{12}O_{6}

. How many total atoms are represented in one molecule of glucose?

Accepted Answer

24 total atoms

Answer

12 total atoms

Answer

18 total atoms

Answer

3 total atoms

Question 3

The chemical formula for aluminum sulfate is

C_{6}H_{12}O_{6}

. How many atoms of oxygen are present in this formula?

Accepted Answer

12 atoms

Answer

4 atoms

Answer

3 atoms

Answer

7 atoms

Question 4

The chemical formula for calcium phosphate is

C_{6}H_{12}O_{6}

. According to the periodic table and the formula, how many phosphorus (P) atoms are in this compound?

Accepted Answer

2

Answer

4

Answer

3

Answer

8

Question 5

The chemical formula for caffeine is

C_{6}H_{12}O_{6}

. How many atoms of carbon (C) are present in one molecule of caffeine?

Accepted Answer

8 carbon atoms

Answer

4 carbon atoms

Answer

10 carbon atoms

Answer

2 carbon atoms

Question 6

A molecule of magnesium hydroxide is represented by the chemical formula

C_{6}H_{12}O_{6}

. How many total atoms of all kinds are contained in one molecule of this substance?

Accepted Answer

5 total atoms

Answer

3 total atoms

Answer

4 total atoms

Answer

6 total atoms

Question 7

The chemical formula for sodium bicarbonate (baking soda) is

C_{6}H_{12}O_{6}

. How many different kinds of elements are represented in this formula?

Accepted Answer

4 elements

Answer

6 elements

Answer

3 elements

Answer

5 elements

Question 8

The chemical formula for sulfur hexafluoride is

C_{6}H_{12}O_{6}

. Based on this formula, what is the composition of one molecule?

Accepted Answer

1 sulfur atom and 6 fluorine atoms

Answer

1 sulfur atom and 1 fluorine atom

Answer

1 silicon atom and 6 fluorine atoms

Answer

6 sulfur atoms and 1 fluorine atom

Question 9

The chemical formula for ammonium sulfate is

C_{6}H_{12}O_{6}

. How many total atoms of hydrogen (H) are found in this formula?

Accepted Answer

8 hydrogen atoms

Answer

4 hydrogen atoms

Answer

2 hydrogen atoms

Answer

6 hydrogen atoms

Question 10

The chemical formula for acetic acid is

C_{6}H_{12}O_{6}

. How many total atoms of oxygen (O) are present in one molecule of acetic acid?

Accepted Answer

2 oxygen atoms

Answer

1 oxygen atom

Answer

4 oxygen atoms

Answer

3 oxygen atoms

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