Atoms and Chemical Formulas

What group on the periodic table would you find Oxygen?

• Group 1

• Group 14

• Group 16

• Group 2

How many atoms of Oxygen are in this compound? K₂(MnSO₂)₄

• 4

• 8

• 2

• 6

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 elements are in the formula shown above?

• Tin and Chlorine

• Tin, Carbon and Lithium

• Sulfur, Nitrogen and Chlorine

• Sulfur, Nitrogen, Carbon and Lithium

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

Based on the diagrams, which compound should be identified as methane (CH₄)?

• Molecule 1

• Molecule 3

• Molecule 4

• Molecule 6

Tags

NGSS.MS-PS1-1

How many atoms of hydrogen are in the formula CH₃CH₂Br?

• 5

• 3

• 2

• 7

Tags

NGSS.MS-PS1-1

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