Writing Chemical Equations and Counting Atoms

How many atoms are there TOTAL in:
H₂SO₄ (a)  

• 6
• 5
• 7
• 3

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NGSS.MS-PS1-1

Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)

• H₃SO₄
• HSO₄
• H₄S₃O
• H₂O

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NGSS.MS-PS1-1

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

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NGSS.MS-PS1-1

How many atoms are there is total in C₆H₁₂O₆?

• 3

• 6

• 18

• 24

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NGSS.MS-PS1-1

The small number to the right of an elemental symbol  (H₂) is called?

(a)  

•  a subscript 
• a coefficient 
• a variable 
• a divisor 

How many atoms of carbon (C) are in  C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Tags

NGSS.MS-PS1-1

Element or compound?
H₂O

• element
• compound

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NGSS.MS-PS1-1

How many different ELEMENTS are in H₂O?

• 1

• 2

• 3

• 4

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NGSS.MS-PS1-1

How many aluminum atoms are in Al₂O₃?

• 3

• 2

• 5

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NGSS.MS-PS1-1

What is H₂SO₄ 
(Sulfuric Acid) made up of?

• 2 hydrogen, 1 sulfur, 4 oxygen
• 1 hydrogen, 2 sulfur, 4 oxygen
• 2 hydrogen & 4 sodium
• 1 hydrogen & 6 sodium

Tags

NGSS.MS-PS1-1