Unit 1 Review

Is the following a pure substance or mixture? Baking Soda ( $NaHCO_3$ ) 

• pure substance

• mixture

Is the following an element or compound? A silicon (Si) chip.

• element

• compound

Is the following a homogeneous or heterogeneous mixture? coffee mixed with cream and sugar

• homogeneous mixture

• heterogeneous mixture

Is the following homogeneous or heterogeneous? Fruit salad

• homogeneous mixture

• heterogeneous mixture

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

Classify the particle diagram.

• element

• compound

• mixture of elements

• mixture of compounds

• mixture of elements and compounds

How would you classify this image?

• homogeneous mixture

• heterogeneous mixture

Water freezing into ice is an example of a...

• Physical Change
• Chemical Change