Counting Atoms

How many Magnesium atoms are in 10MgCl₂?

• 10
• 5
• 20

Tags

NGSS.MS-PS1-1

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many Oxygen atoms are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

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 the number that is in FRONT of a formula called? Like the 3 in 3H₂O

• subscript
• coefficient
• symbol
• superscript

How many total atoms are in this compound?
H₂C₃O₄N₅

• 5
• 14
• 15
• 19

Tags

NGSS.MS-PS1-1

If there is no subscript, there is/are ______ atom(s) of that element.

• 0
• 2
• only 1
• 1 million

Tags

NGSS.MS-PS1-1

Is the following an element or a compound?
C₂H₈O 

• element
• compound

Tags

NGSS.MS-PS1-1