8th Grade - Chemical Formula Review

How many oxygen atoms are in CO₂?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many ELEMENTS are in C₆H₁₂O₆?

• 1

• 3

• 4

• 24

Tags

NGSS.MS-PS1-1

How many ATOMS are in C₆H₁₂O₆?

• 1

• 3

• 5

• 24

Tags

NGSS.MS-PS1-1

How many atoms are in C₁₀H₁₂N₂O?

• 4

• 24

• 25

• impossible to tell

Tags

NGSS.MS-PS1-1

How many Hydrogen atoms are in this compound: (NH₄)₂CO₃?

• 2

• 4

• 8

• 16

Tags

NGSS.MS-PS1-1

How many Sulfur atoms are in Na₂SO₄?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which of these formulas contain equal numbers of nitrogen atoms?

• Formulas I and III

• Formulas I and IV

• Formulas II and III

• Formulas I, II, and V

Tags

NGSS.MS-PS1-1

In which of these compounds are there twice as many oxygen atoms as hydrogen atoms?

• H₃PO₄

• H₂SO₄

• HClO₃

• H₂O

Tags

NGSS.MS-PS1-1

How many phosphorus atoms are represented in the formula for Sr₃₍PO₄₎₂?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

Which substances have the same number of carbon atoms in the table?

• Substances 1 and 2

• Substances 2, 3, and 4

• Substances 2 and 3 only

• Substances 1 and 3

Tags

NGSS.MS-PS1-1