Chemical Formulas

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

• 1

• 4

• 2

• 7

Tags

NGSS.MS-PS1-1

Alanine is an amino acid with formula C₃H₇NO_2. How many atoms in all are in each molecule of alanine?

• 3

• 7

• 12

• 13

Tags

NGSS.MS-PS1-1

How many atoms of carbon are in a molecule of vinyl chloride (C₂H₃Cl)?

• 1

• 3

• 6

• 2

Tags

NGSS.MS-PS1-1

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

• 12

• 6

• 18

• 4

Tags

NGSS.MS-PS1-1

Which of the following statements accurately describes the number of atoms in a molecule of ammonia (NH₃)?

• Three atoms of nitrogen and three atoms of hydrogen

• One atom of nitrogen and three atoms of hydrogen

• Three atoms of nitrogen and one atom of hydrogen

• One atom of nitrogen and one atom of hydrogen

Tags

NGSS.MS-PS1-1

Which of the following accurately describes the chemical formula of the molecule shown above?

• 3CH₈O

• C₃H₇O

• C₄H₈O₂

• C₃H₈O

Tags

NGSS.MS-PS1-1

Which of the following molecules has the formula CH₂O?

• 
• 
• 
• 

Tags

NGSS.MS-PS1-1

A diagram to a molecule is shown above. Based on the diagram, what is the identity of this compound?

• Water (H₂O)

• Hydronium (H₃O⁺)

• Hydrogen peroxide (H₂O₂)

• Hydroxide (OH^-)

Tags

NGSS.MS-PS1-1

Which elements are in the formula shown above?

• Cobalt only

• Carbon and Oxygen

• Copper only

• Carbon and Osmium

Tags

NGSS.MS-PS1-1

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

• 5

• 20

• 18

• 4

Tags

NGSS.MS-PS1-1