Chemical Formula

How many atoms of "S" are in each molecule of H₂SO₄?

• 1

• 4

• 2

• 7

Tags

NGSS.MS-PS1-1

How many atoms are there in the compound MgCO₃?

• 3

• 4

• 5

• 6

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

Tags

NGSS.MS-PS1-1

Which elements are in this compound?

H₂O

• helium and oxide

• hydrogen and oxygen

• water

• waterium and oxygen

Tags

NGSS.MS-PS1-1

What is the correct way to write the formula for the model of this compound?

• 2H₂0

• 2H₂O

• 2HO₂

• H₂O₂

Tags

NGSS.MS-PS1-1

How many atoms of oxygen (O) does copper sulfate (CuSO₄) contain?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms of iron (Fe) does iron oxide (Fe₂O₃) contain?

• 1

• 2

• 3

• 5

Tags

NGSS.MS-PS1-1

Which best describes the model?

• Element
• Compound
• Atom

• Crystals

Tags

NGSS.MS-PS1-1

How many elements are in C₆H₁₂O_6?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many atoms of carbon (C) are in C₆H₁₂O_6?

• 3

• 6

• 12

• 24

Tags

NGSS.MS-PS1-1