Molecules, Compounds, and Mixtures

All (a)   are made up of two or more atoms bonded together.

• atoms
• molecules
• electrons
• elements

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7.PS1.2

What does this image represent?

• Atom
• Element
• Molecule
• Marshmallows

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7.PS1.2

Both elements and compounds are pure substances.

• True

• False

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7.PS1.3

What type of matter contains one or more of the same atom?

• Compound

• Element

• Proton

• Electron

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7.PS1.5

What type of matter contains two or more of the same or different elements?

• Atom

• Molecule

• Proton

• Neutron

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7.PS1.2

What type of matter contains two or more different elements?

• Neutron

• Atom

• Electron

• Compound

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7.PS1.2

Which of the following is NOT a compound?

• HCl

• Cl2

• NaCl

• CO2

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7.PS1.2

Which of these is a mixture?

• Laundry Detergent

• Salt (NaCl)

• Oxygen (O2)

• Fluorine (F)

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7.PS1.3

What is air?

• An element

• A compound

• A mixture

• None of these

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7.ESS3.1

Which of the following is classified as a pure substance?

• Lemonade

• Fruit punch

• Ketchup

• Helium

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7.PS1.3