Substances vs. Mixtures

A pure substance that cannot be broken down into other substances by chemical or physical means. 

• compound          
• atom
• mixture 
• element

A mixture that is uniform and well mixed is _____.

• homogeneous
• hetergeneous
• pure substance
• compoud

A pure substance made up of two or more elements that are chemically combined. 

• compound          
• atom
• mixture 
• element

Tags

NGSS.MS-PS1-1

This is made up of one or more of kind of the SAME kind of atom

• Element
• Mixture
• Compound
• Matter

Tags

NGSS.MS-PS1-1

What is a homogeneous mixture?

• a mixture that is the same throughout.
• a mixture that is made up of one type of atom.
• a mixture that is made up of one type of compound
• a mixture that cannot be separated through physical changes

Carbon dioxide

• Pure Substance & Element
• Pure Substance & Compound
• Mixture & Homogenous
• Mixture & Heterogenous

Tags

NGSS.MS-PS1-1

Pepsi is a . . .

• Heterogeneous mixture
• homogeneous mixture
• Element
• Compound

Which of the following is an element?

• Sugar
• Salt
• Water
• Oxygen

NaHCO₃ is an example of —

• an abbreviation
• a compound
• a mixture
• an element

Tags

NGSS.MS-PS1-1

Which of these is a pure substance?

• bread
• table salt
• garden soil
• sea water

Tags

NGSS.MS-PS1-4