Elements, Molecules, Compounds, & Mixtures Practice

Atom or Molecule?

• Atom

• Molecule

Answer explanation

There is only 1 atom.

Tags

NGSS.MS-PS1-1

Atom or Molecule?

• Atom

• Molecule

Answer explanation

There are at least 2 atoms bonded together.

Tags

NGSS.MS-PS1-1

Atom or Molecule?

• Atom

• Molecule

Answer explanation

There are at least 2 atoms bonded together.

Tags

NGSS.MS-PS1-1

Atom or Molecule?

• Atom

• Molecule

Answer explanation

There are at least 2 atoms bonded together.

Tags

NGSS.MS-PS1-1

Element or Compound?

• Element

• Compound

Answer explanation

This is a compound because there are at least 2 different elements bonded together.

We know this because there are at least 2 different colors.

Tags

NGSS.MS-PS1-1

Element or Compound?

• Element

• Compound

Answer explanation

This is a molecule because there is only 1 element bonded together.

We know this because there is only 1 color.

Tags

NGSS.MS-PS1-1

Element or Compound?

• Element

• Compound

Answer explanation

There is only 1 atom, so therefore it can only be 1 element.

Tags

NGSS.MS-PS1-1

Element or Compound?

• Element

• Compound?

Answer explanation

This is a compound because there are at least 2 different elements bonded together.

We know this because there are at least 2 different colors.

Tags

NGSS.MS-PS1-1

Select the correct answer.

• Element

• Compound

• Mixture

Answer explanation

There are many of the same combinations. Since they are all the same combinations, they are compounds and not mixtures.

Tags

NGSS.MS-PS1-1

Select the correct option.

• Element

• Compound

• Mixture

Answer explanation

There is a combination of individual elements and then molecules of a different element. This makes it not a pure substance.

Tags

NGSS.MS-PS1-1