Matter and Their Properties Molecules

Mass is a measurement of

• how much space an object occupies.

• how dense an object is.

• the amount of matter in an object.

• the volume of an object.

The fundamental building block of matter is the

• atom

• molecule

• cell

• proton

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An element is made of one type of

• molecule

• atom

• compound

• mixture

A compound is

• a substance that is composed of two or more elements that are chemically bonded.

• a molecule formed by atoms of the same element.

• another word for an atom.

• any substances that can be split apart.

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Extensive properties

• include boiling point.

• do not depend on the amount of matter present.

• include volume and mass.

• all depend on the chemical composition of the matter present.

Which of the following is an intensive property of matter?

• volume

• mass

• energy content

• density

A change in a substance that does not involve a change in the identity of the substance is called (a)n

• chemical change.

• physical change.

• extensive property.

• intensive property.

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In every chemical change, two or more reactants form at least one

• product

• gas

• precipitate

• reaction

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Which is not true about the liquid state of matter?

• The liquid state has a definite volume and a definite shape.

• The liquid state takes on the shape of its container.

• The liquid states has a definite volume and an indefinite shape.

• The particles in a liquid can easily move past each other.

If a mixture is uniform in composition, it is considered to be

• heterogeneous.

• molecular.

• homogeneous.

• elemental.