Pure Substances Mixtures and Chemical Bonds Questions

Ice cubes melting into water is an example of

• chemical change

• physical change

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NGSS.MS-PS1-2

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The ability of a substance to catch on fire and burn is a

• chemical formula.

• state of matter.

• chemical property.

• physical property.

Pizza, soil, and lemonade are all examples of

• compounds.

• atoms.

• mixtures.

• elements.

What type of substance is always made up of a single type of atom?

• mixture

• element

• molecule

• compound

Which of these statements describes a chemical property of an object?

• The object is blue in color.

• The object has a powdery texture.

• The object's density is 5.25 g/cm³.

• The object reacts with acid to form water.

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NGSS.MS-PS1-2

What type of substance is ALWAYS made up of two or more different types of elements joined by chemical bonds?

• mixture

• element

• molecule

• compound

A combination of two or more substances that are not chemically combined is known as a

• mixture

• molecule

• compound

• element

Tags

NGSS.MS-PS1-1

Which of the following in NOT true for compounds?

• Made up of elements

• Chemically combined

• Cannot write a formula

• Has new and different properties

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NGSS.MS-PS1-1

Air and tap water are

• pure substances for which a chemical formula can be written.

• mixtures since they are not chemically combined.

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NGSS.MS-PS1-2

All elements are composed of extremely small particles called

• atoms.

• molecules.

• compounds.

• mixtures.

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NGSS.MS-PS1-1

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