Unit 3 Review

A pure substance that cannot be broken down into simpler substance by a chemical reaction.

• compound

• element

• solid

• liquid

Element or compound?

NH₃

• Element

• Compound

Contains only one kind of atom.

• Element
• Compund
• Mixture

Which contains only elements?

• A

• B

• C

• D

Which of the following are homogeneous mixtures? (Choose all that are correct!)

• cereal with milk

• chocolate chip icecream

• salt water

• pizza

• Soda

Milk is an example of which type of mixture?

• solution

• suspension

• colloid

• compound

Maria takes her son to the doctor and is given a medicine that says shake well before using. What type of mixture was Maria's son given?

• compound

• colloid

• solution

• suspension

The substance that does the dissolving

• Solute

• Solvent

• Solution

• Miscibility

Matter can not be created nor destroyed: it can only be

• Destroyed a little bit
• Invisible
• Transformed, changed
• None of the above

The number to the lower side of an element is a 

• Subscript
• Superscript
• Coefficient
• Charge