Chemical Formula

How many atoms of sulfur are in each molecule of H₂SO₄?

• 1

• 4

• 2

• 7

How many atoms of hydrogen are in a molecule of glucose (C₆H₁₂O₆)?

• 12

• 6

• 18

• 4

Which elements are in the formula shown above?

• Cobalt only

• Carbon and Oxygen

• Copper only

• Carbon and Osmium

How many different elements are in an amino acid with the formula C₅H₁₁NO₂S?

• 5

• 20

• 18

• 4

How many atoms of hydrogen are in the formula CH₃CH₂Br?

• 5

• 3

• 2

• 7

In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?

• H₃PO₄

• H₂SO₄

• HCIO₃

• H₂O

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

The blue atoms are called 

• metals
• nonmetals
• metalloids
• noble gases

How many Oxygen atoms (O) are in a  molecule  of CO₂

• 1
• 2
• 3
• 0