Compounds, Elements and Mixtures

Diamonds (C) and uranium (U) are examples of

• elements

• mixtures

• compounds

Is sugar (C₁₂H₂₂O₁₁) an element or a compound?

• Element

• Compound

Tags

NGSS.MS-PS1-1

Diagram A is an example of a(n)

• element

• compound

• mixture

Tags

NGSS.MS-PS1-1

Diagram C is an example of a(n)

• element

• compound

• mixture

Tags

NGSS.MS-PS1-1

Which contains a pure substance? (Choose all)

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

Structural differences between different chemicals can be represented in models of the particles. Which drawing BEST represents a compound?

• Picture A

• Picture B

• Picture C

• Picture D

Tags

NGSS.MS-PS1-1

A scientist tests a water sample that was collected from a river. The results of the test are described below:

-The water is clear

-The water contains dissolved calcium

How should this water sample be classified?

• As an element

• As a compound

• As a homogeneous mixture

• As a heterogeneous mixture

Carbon is a(n) ______

• compound

• element

• mixture

These contain only one kind of atom. 

• element 

• compound 

• mixture 

• water 

Carbon Dioxide is a ______ 

• compound 

• element 

• mixtures 

• Battle of Bunker Hill 

Tags

NGSS.MS-PS1-1