Atoms, Molecules, and Matter

Select ALL of the items that are made of atoms:

• Desk

• Pencil

• Plants

• People

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A molecule is _______________________.

• always blue.

• made of 200 or more atoms combined.

• made of 3 or more atoms combined.

• made of 2 or more atoms combined.

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How many atoms make up this water molecule?

• 0

• 1

• 2

• 3

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What element or elements are present in the molecule: CO₂ ? (use the periodic table in your folders to check)

• Cobalt

• Carbon and Oxygen

• Oxygen

• Chlorine

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Matter is something that has ___________ and _____________.

• mass and is always hungry.

• heat and is using up energy.

• mass and takes up space.

• heat and does not use energy.

True or False: It is possible to see an atom with the naked eye.

• True

• False

Which of the following is not a molecule:

• 
• 
• 

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Which of the following are molecules:

• 
• 
• 

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What elements make up the following molecule: H₂O (Check your periodic table)

• Helium and Oxygen

• Hydrogen

• Oxygen

• Oxygen and Hydrogen

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What is the number of total atoms in the molecule: C₆H₁₂O₆ ?

• 12

• 3

• 24

• 18

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