Pure Substances and Mixtures

Matter is made up of basic “ingredients” known as...

• atoms

• elements

• compounds

• solutions

Tags

NGSS.MS-PS1-1

Which word means... the smallest unit of an element that maintains the properties of that element

• Particle

• Grain

• Atom

• Molecule

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-5

Substances are classified as...

• elements

• mixtures

• compounds

• All of the above

An element is made up of only one kind of atom.

• True

• False

A mixture contains a variety of elements and compounds that are chemically combined

• True

• False

Water is a(n)...

• element

• compound

• mixture

• suspension

Tags

NGSS.MS-PS1-1

What are pure substances?

• A substance with definite physical and chemical properties.

• A substance without physical and chemical properties.

• A substance without definite physical properties.

• A substance with only definite chemical properties.

Tags

NGSS.MS-PS1-4

Elements and compounds are...

• not pure substances

• pure substances

• examples of mixtures

• never found in mixtures

When a pure substance undergoes a chemical change, it remains that same substance.

• True

• False

Elements can be classified as...

• metals

• nonmetals

• metalloids

• all of the above