Matter Test Review

Which of the following indicates a chemical change has occurred?

• Salt is dissolved in water

• Water is boiled and changed to steam

• A new gas is produced

• An apple is cut into two parts

Which of the following is an intensive property of matter?

• Boiling point

• Volume

• Size

• Mass

A mixture is created when two substances combine physically and new properties are formed

• True

• False

Sugar water can be physically separated

• True

• False

What is pictured?

• Element

• Compound

• Heterogeneous mixture

• Homogeneous mixture

If the density of copper is 8.96 g/mL, what is the volume of a 2.9 g sample?

• 25.9 mL

• 26 mL

• 0.324 mL

• 0.32 mL

A material will float in a liquid if it is more dense than the liquid

• True

• False

What is the mass of an atom with 17 protons, 16 neutrons, and 16 electrons?

• 16 amu

• 17 amu

• 32 amu

• 33 amu

• 49 amu

What charge will an atom with 8 protons, 9 neutrons, and 10 electrons have?

• +2

• +1

• 0

• -1

• -2

How many neutrons are in the isotope Na-24?

• 11

• 12

• 13

• 24