elements compounds and mixtures

In this diagram, Y represents...

• An element

• A molecule

• A compound

• A mixture

The composition of a sample of milk is shown.

Is milk an element, compound or mixture? Explain your answer.

which of the following are mixtures

• blood

• copper

• Kool-aid

• Chex Mix

• helium

Elements and compounds are classified as ___.

• pure substances
• mixtures
• metals
• nonmetals

Air is a(n) _________. 

• element 
• mixture 
• compound 

When elements form mixtures, the elements...

• keep their original properties
• react to form a new substance with new properties
• combine in specific ratios
• always change their physical state

Two substances physically combined and appears the same throughout is classified as....

• a homogeneous mixture
• aheterogeneous mixture
• an element
•  a compound

Classify the picture with the correct label.

• Element
• Compound
• Mixture of Compounds
• Mixture of Elements

The chart below lists some substances and their symbols. How many of these substances are examples of elements?

• 1

• 2

• 3

• 4

Classify the picture with the correct label.

• Element

• Compound

• Mixture of Elements and Compounds

• Mixture of Elements