States of matter

Diagrams of molecular arrangements are shown below.

The molecular arrangement of a solid is best represented in...?

• 1

• 2

• 3

• 1 & 2

• 1, 2 & 3

Diagrams of molecular arrangements are shown below.

The molecular arrangement of a liquid is best represented in...?

• 1

• 2

• 3

• 1 & 2

• 1, 2 & 3

Diagrams of molecular arrangements are shown below.

The molecular arrangement of a gas is best represented in...?

• 1

• 3

• 1 & 2

• 2 & 3

• 1, 2 & 3

A student is given an object and is asked to identify its density. The object has a volume of 3 cubic centimeters and a mass of 6 grams.

• 2 grams/cubic centimeter

• 2 grams/square centimeter

• 9 grams/cubic centimeter

• 18 grams/cubic centimeter

• 3 grams/cubic centimeter

The diagram below shows how a change in temperature affects the physical state of a substance. Each of the labeled points represents the same substance at a different temperature. Which point represents the substance in the physical state with the particles moving the LEAST?

• X

• Y

• W

• Z

• they are the same

Which of the following statements about density is true?

• Density is measured in grams.

• Density is measured in milliliters.

• Density is mass per unit volume.

• Density is a chemical property.

• Density is volume per unit mass

Which diagram best shows the type of particle arrangement associated with a gas?

• a

• b

• c

• d

Which choice below best displays the change of state from liquid water to water vapor (steam)?

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Which choice below best displays the change of state from dry ice to carbon dioxide gas directly?

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Which choice below best displays the change of state from water vapor (steam) to liquid water?

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