Unit 1 honors chem: Properties of Matter

Which is a pure substance?

• oxygen

• salt water

• alloy

• air

Salad dressing that is consistent in color and texture would be listed as a

• heterogeneous mix

• homogeneous mix

• pure substance

• compound

Which three pure substances?

• element

• molecule

• solution

• compound

Which sample of water has a definite shape

• • -45 degree C

• 45 degree C

• 78 degree C

• 178 degree sample

Which sample of water has greatest compressibility?

• • -45 degree C

• 45 degree C

• 78 degree C

• 178 degree sample

Which state has indefinite shape and volume are in which state

• gas

• liquid

• solid

Which state has indefinite shape and definite volume are in which state

• gas

• liquid

• solid

Which state has the greatest amount of kinetic energy?

• gas

• liquid

• solid

Density will usually decrease when a solid changes to a liquid. What is happening with mass and volume to cause this? (Think about the amount of space between molecules in a solid and a gas....)

• mass increase, volume same

• mass decrease, volume same

• mass same, volume increase

• mass same, volume decrease

Which property is extensive:

• melting point

• density

• mass

• reactivity