Chemical Formulas

How many elements are in C₆H₁₂O₆?

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-1

How many atoms of carbon are in C₆H₁₂O₆?

• 3

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1

Is H₂O an element or a compound?

• element

• compound

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

Tags

NGSS.MS-PS1-1

Which is the formula containing

three hydrogen (H) atoms

one sulfur (S) atom

four oxygen (O) atoms?

• H₃SO₄

• HSO₄

• H₃S₃O₄

• H₂O

Tags

NGSS.MS-PS1-1

What are the blue numbers in the formula called?

• I don't know, and don't want to try

• coefficients

• subscripts

• molecules

How many atoms in all are in a molecule with the formula

H₂SO₄ ?

• 6

• 5

• 7

• 3

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 elements are in the compound C₂H₈O ?

• 2

• 1

• 3

• 0

Tags

NGSS.MS-PS1-1

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

• 0
• 2
• only 1
• 1 million