Mixtures, Compounds, and Elements Graded

A pure substance that cannot be separated into simpler substances by chemical or physical means.

• Element

• Compound

• Mixture

• Solution

These contain only one kind of atom. 

• element 
• compound 
• mixture 
• water 

Carbon Dioxide is a ______

• compound

• element

• mixture

• Solution

Tags

NGSS.MS-PS1-1

Which of the following represents a pure element?

• H₂O

• H₂

• NaCl

• CaCO₃

Salt water boils and the water completely evaporates, salt (NaCl) is left in the bottom of the beaker. Which of the following is left in the beaker?

• Compound

• Element

• Mixture

• Solution

Tags

NGSS.MS-PS1-4

Cheeseburger

• Element

• Compound

• Heterogenous Mixture

• Solution (homogeneous mixture)

Salt Water

• Element

• Compound

• Heterogeneous Mixture

• Solution (homogeneous mixture)

When elements form mixtures, the elements keep their original properties.

• True

• False

Which example is a compound?

• N₂

• O₂

• Cu

• H₂O₂

Tags

NGSS.MS-PS1-1

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element
• Compound

Tags

NGSS.MS-PS1-1