Counting atoms in a formula

How many atoms of Carbon are in this formula? $C_{6\ }H_{12}O_6$  

• 6

• 1

• 12

Tags

NGSS.MS-PS1-1

What is the total number of atoms in this formula? $H_2O_2$  

• 2

• 4

• 3

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NGSS.MS-PS1-1

How many elements are in this chemical formula?

HCl

• 1

• 2

• 3

• 4

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NGSS.MS-PS1-1

Which element has the greatest number of atoms?  $AgNO_3$  

• Silver

• Gold

• Nitrogen

• Oxygen

Tags

NGSS.MS-PS1-1

How many Hydrogen are in 4H₂O?

• 6
• 8
• 2
• 4

Tags

NGSS.MS-PS1-1

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

• H₃SO₄
• HSO₄
• H₄S₃O
• H₂O

Tags

NGSS.MS-PS1-1

What is a coefficient?

• The small number on the right of the chemical symbol.
• The large number to the left of a formula.

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NGSS.MS-PS1-5

How many Chlorine are in MgCl₂?

• 2
• 1
• 3

Tags

NGSS.MS-PS1-1

How many Magnesium are in 10MgCl₂?

• 10
• 5
• 20

Tags

NGSS.MS-PS1-1

How many oxygen are in Ca(OH)₂

• 2

• 1

• 0

• 4

Tags

NGSS.MS-PS1-1