Chemical Formula

The formula for caffeine is C₈H₁₀N₄O₂. There are ___ hydrogen atoms in a molecule.

• 4

• 8

• 2

• 10

Tags

NGSS.MS-PS1-1

The formula for sulfur trioxide is SO₃. There are ___ atoms of sulfur in a molecule.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

The formula for sulfur trioxide is SO₃. There are ___ atoms of oxygen in a molecule.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

In the formula for sodium sulfate, Na₂SO₄, there are ___ different elements present.

• 1

• 2

• 3

• 5

Tags

NGSS.MS-PS1-1

In the compound sodium sulfate, Na₂SO₄, there are ___ total atoms in a formula unit.

• 4

• 5

• 6

• 7

Tags

NGSS.MS-PS1-1

In the compound sodium sulfate, Na₂SO₄, there are ___ sodium atoms in a formula unit.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

In the compound sodium sulfate, Na₂SO₄, there are ___ sulfur atoms in a formula unit.

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

In the compound magnesium nitrate, Mg(NO₃)₂, there are ___ magnesium atoms in a formula unit.

• 1

• 2

• 3

• 5

• 6

Tags

NGSS.MS-PS1-1

In the compound magnesium nitrate, Mg(NO₃)₂, there are ___ nitrogen atoms in a formula unit.

• 1

• 2

• 3

• 5

• 6

Tags

NGSS.MS-PS1-1

In the compound magnesium nitrate, Mg(NO₃)₂, there are ___ oxygen atoms in a formula unit.

• 1

• 2

• 3

• 5

• 6

Tags

NGSS.MS-PS1-1