Chemical Formulas

In the formula for calcium chloride, CaCl₂, there are ___ atoms of calcium in a formula unit.

• 1

• 2

• 3

• it cannot be determined by current science

Tags

NGSS.MS-PS1-1

In the formula for calcium chloride, CaCl₂, there are ___ atoms of chlorine in a formula unit.

• 1

• 2

• 3

• it is estimated in the billions, but we're not sure

Tags

NGSS.MS-PS1-1

The compound calcium chloride, CaCl₂,uses _______ bonds to hold the atoms together.

• metallic

• ionic

• covalent

• intrinsic

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

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

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Sulfur trioxide,SO₃, uses _______ bonds to hold the atoms together.

• metallic

• ionic

• covalent

• transcendental

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