Honors Chem Review for Unit 3 Matter Test

Matter is anything that

• has mass
• has volume
• has neither mass or volume
• has both mass and volume

Properties that can be observed or measured without changing the samples composition.

• Chemical properties
• Physical properties

An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to 2 mL. The height of the water rose to 7 mL. The mass of the stone is 25 grams. What was the density?

• 10 g/ml
• 20 g/ml
• 5 g/ml
• 2 g/ml

Which of the following are evidence that chemical changes are occurring?

• maleability
• ductility
• hardness
• bubbles being produced

An example of a physical change

• freezing
• burning
• corroding
• rusting

Changing that takes one or more substance and turns it into a new substance with different properties.

• physical change
• chemical change

Which of the following are chemical changes

• melting
• freezing
• burning
• boiling

Does not decompose into simpler parts. Examples are Iron, Gold, Silver, Oxygen. Hint you can find 118 of them on the periodic table.

• element
• compound
• mixture

Two or more substances chemically combined and can be broken down into the elements that make them up.

• element
• compound
• mixture

Well mixed or the same throughout. Examples salt water and Kool-Aid

• Pure Substance
• Homogeneous Mixture
• Heterogeneous Mixture