Matter...Pure vs Mixture

Pure substances include:

• Elements

• Homogeneous Mixtures

• Compounds

• Heterogeneous Mixtures

The properties of a compound are different from the elements that make them up.

• True

• False

Tags

NGSS.MS-PS1-2

An element

• contains one type of atom

• contains two or more different type of atoms

• is two or more different substances not chemically combined

• is the way something is put together or combined

Tags

NGSS.MS-PS1-1

Which is an example of a container filled with a pure substance?

• a glass of iced tea

• a bucket of salt water

• a tire filled with air

• a balloon filled with He (helium)

Matter is anything that has...

• weight and volume

• mass and density

• mass and weight

• mass and volume

A substance that can be broken down by physical means is ...

• an element

• a compound

• a mixture

matter is categorized as _____ or _____

• an element or compound

• homogeneous or heterogeneous

• a pure substance or mixture

• a compound or mixture

Which of the following represents an element?

• H₂O
• H₂
• NaCl
• CaCO₃

Tags

NGSS.MS-PS1-1

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

Tags

NGSS.MS-PS1-1

What is made up two or more elements that are chemically combined?

• Element
• Mixture
• Compound
• Solids

Tags

NGSS.MS-PS1-1