Unit 2 Chemical Reactions Review

Which of the following is not a compound?

• HCl
• Cl
• NaCl
• CO2

How many elements are represented in the compound?
Na₂CO₃

• 1
• 2
• 3
• 4

How many total elements are in the compound C₂H₁₂O₃?

• 3
• 17
• 12
• 2

Which of the following elements is required in an organic compound?

• nitrogen
• oxygen
• carbon
• sodium

The compound PO₄ is...

• inorganic
• organic

The compound CHO is...

• inorganic
• organic

Is NaCl (table salt) a Organic or Inorganic Compound?

• Inorganic
• Organic

Which compound is inorganic?

• Glucose (C₆H₁₂O₆)
• Ethane (C₂H₆)
• Carbon Dioxide (CO₂)
• Stearic Acid (C₁₈H₃₆O₂)

All organic compounds contain the element

• carbon
• nitrogen
• phosphorus
• sulfur

The one or two letters used to represent elements 

• Yield sign
• Coefficient
• Symbol
• Subscript