10 Question Chemical Formula Cards

How many hydrogen atoms?
CH₂O

• 1
• 2
• 3
• 4

How many sodium atoms?
Na₂SeO₄

• 2
• 1
• 4
• 6

How many chlorine atoms?
C₂H₃Cl

• 3
• 2
• 1
• 4

How many total atoms?
HCN

• 2
• 1
• 3
• 4

How many nitrogen atoms?
C₂N₂Se

• 2
• 1
• 3
• 4

How many silicon atoms?
CH₃Si

• 1
• 2
• 3
• 4

How many total atoms?
C₂H₆O

• 6
• 2
• 8
• 9

How many total atoms?
CH₄O

• 4
• 2
• 6
• 1

How many total atoms?
COS

• 3
• 0
• 1
• 4

How many nitrogen atoms?
CH₅N

• 3
• 5
• 1
• 2