Elements, Molecules, & Compounds

How many atoms are there TOTAL in:
H₂SO₄

• 6
• 5
• 7
• 3

How many Sodium (Na) are in 6NaCl?

• 1
• 12
• 6

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

How many Elements are in the compound C₂H₈O ?

• 2
• 1
• 3
• 0

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

• 0
• 2
• only 1
• 1 million

How many elements are present in this compound?
Mg₂As₃COHNi₂

• 2
• 4
• 6
• 10

How many molecules are in 10MgCl₂?

• 10
• 2
• 30
• 13

NH₃ ---> N₂ + H₂
What are the products?

• N₂ + H₂
• N₂
• H₂
• NH₃

How many atoms of carbon (C) are in  C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Element or compound?
H₂O

• element
• compound