counting atoms

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

• H₃SO₄
• HSO₄
• H₄S₃O
• H₂O

Tags

NGSS.MS-PS1-1

Which of the following is a compound?

• Co
• O₂
• C
• CO₂

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

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

How many Aluminum atoms are in Al₂O₃?

• 3
• 2
• 5

Number of Carbon atoms in 2Na₂CO₃

• 1
• 2
• 3
• 5

The number of Sodium (Na) atoms in Na₂CO₃

• 1
• 2
• 3
• 6

Tags

NGSS.MS-PS1-1

How many atoms of Carbon are in the compound C₂H₈O ?

• 8
• 2
• 1
• 11

Tags

NGSS.MS-PS1-1

How many Magnesium are in 10MgCl₂?

• 10
• 5
• 20

Tags

NGSS.MS-PS1-1