Element/Compound/Mixture review

matter test review

by Mrs. Condenzio

​This review is a combination of a short video along with practice questions.

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Multiple Choice

Element, Compund, or Mixture?

water

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

sugar

• element

• compound

• mixture

​Sugar is a compound, as its molecular structure is made up of three elements that are bonded. These elements are Carbon, Hydrogen, and Oxygen.

Multiple Choice

Element, Compund, or Mixture?

helium (He)

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

air

• element

• compound

• mixture

​Air is an homogeneous mixture of several gases.

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Explanation:

The air we breathe is composed of gases, mostly N2, and O2, and some inert gas elements in trace quantities. There are small (but increasing) concentrations of CO2, SO2, and nitrogen oxides.

Multiple Choice

Element, Compund, or Mixture?

quartz (SiO2)

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

salad dressing

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

water, sand and salt

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

Neon (Ne)

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

methane

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

magnesium

• element

• compound

• mixture

Multiple Choice

two or more substances physically combined

• element

• compound

• mixture

Multiple Choice

keep their own properties

• element

• compound

• mixture

Multiple Choice

NEW properties are formed

• element

• compound

• mixture

Multiple Choice

cannot be broken down

• element

• compound

• mixture

​An element is the simplest form of matter. It cannot be broken down into anything smaller.

Multiple Choice

two or more substances chemically combined

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

iron (Fe)

• element

• compound

• mixture

Multiple Choice

formed by a chemical change

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

salt water

• element

• compound

• mixture

Multiple Choice

Element, Compund, or Mixture?

have DIFFERENT properties than the elements that make them up

• element

• compound

• mixture