8.2 Classifying Matter

Compounds are formed as a result of

• Chemical combustion

• physical combustion

• distillation

• distillation

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

When elements combine to form compounds, their properties do not change.

• True

• False

Tags

NGSS.MS-PS1-2

Which of the following is an element?

• Water

• Oxygen

• Fire

• Carbondioxide

The simplest type of substance is a compound.

• True

• False

Tags

NGSS.MS-PS1-1

The chemical symbol for water is H2O.

• True

• False

Tags

NGSS.MS-PS1-1

The substances in a heterogeneous mixture can usually be seen and are easily separated.

• True

• False

Salad dressing made with olive oil, herbs, and bacon would be an example of homogeneous mixture.

• True

• False

A mixture of iron and sulfur can be separated by ________.

• distillation

• evaporation

• filtration

• magnetic attraction

Tags

NGSS.MS-PS2-3

Substances in a mixture keep their own properties.

• true

• false

A molecule is the smallest part of _______.

• an atom

• a particle

• a compound

• a substance

Tags

NGSS.MS-PS1-1