8.5: Counting Atoms

How many atoms of Hydrogen are in this compound?

• 1
• 2
• 3
• 4

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NGSS.MS-PS1-1

How many atoms of Oxygen are in this compound?

• 1
• 2
• 3
• 4

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NGSS.MS-PS1-1

How many atoms of Hydrogen are in this compound?

• 1
• 2
• 3
• 4

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NGSS.MS-PS1-1

How many atoms of Oxygen are in this compound?

• 1
• 2
• 3
• 4

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NGSS.MS-PS1-1

How many total atoms are in the element Carbon in this compound?
H₂C₃O₄N₅

• 2
• 3
• 4
• 5

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NGSS.MS-PS1-1

How many total atoms are in this compound?
H₂C₃O₄N₅

• 5
• 14
• 15
• 19

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NGSS.MS-PS1-1

In this compound structure of alcohol, how many Hydrogen atoms are there?

• 2
• 4
• 6
• 8

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NGSS.MS-PS1-1

How do you THINK this compound structure of alcohol would be written?

• H₂O
• CH₃CH₂OH
• CHO
• C₉H₉O₉

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NGSS.MS-PS1-1

How many elements are present in this compound? (Careful!)
Mg₂As₃COHNi₂

• 2
• 4
• 6
• 10

Tags

NGSS.MS-PS1-1

A subscript is the small number below a(n) ________ that tells the number of _______ of that element.

• element symbol; atoms
• atom; element symbol
• subscript; protons
• compound; elements

Tags

NGSS.MS-PS1-1