Back to Game
SeniorBrainGames.org

Organic Chemistry Words

Name: 
Date: 

Instructions: Master the vocabulary of organic chemistry, from carbon compounds and functional groups to polymers and biochemical reactions.

  1. 1.

    What is a 'hydrocarbon'?

    A
    A compound containing oxygen
    B
    A type of mineral
    C
    A compound made up of only hydrogen and carbon atoms
    D
    Any liquid chemical
  2. 2.

    What is a 'polymer'?

    A
    A type of acid
    B
    A large molecule made up of repeating smaller units called monomers
    C
    A single atom
    D
    A radioactive element
  3. 3.

    What does 'isomer' mean?

    A
    A measurement of molecular weight
    B
    Molecules with the same chemical formula but different structural arrangements
    C
    A molecule with extra atoms
    D
    A type of chemical bond
  4. 4.

    What is an 'ester'?

    A
    A type of metal compound
    B
    A type of crystal
    C
    A compound formed from a reaction between an acid and an alcohol, often with fruity smells
    D
    A gas at room temperature
  5. 5.

    What is 'saturation' in organic chemistry?

    A
    When a solution is too concentrated
    B
    Having too much solvent
    C
    When a carbon compound has only single bonds and no more hydrogen atoms can be added
    D
    When a reaction is complete
  6. 6.

    What is a 'functional group'?

    A
    A specific grouping of atoms within a molecule that determines its chemical properties
    B
    A group of scientists working together
    C
    A periodic table category
    D
    The main element in a compound
  7. 7.

    What does 'alkane' refer to?

    A
    A saturated hydrocarbon with only single bonds between carbon atoms
    B
    An aromatic compound
    C
    A compound containing nitrogen
    D
    A compound with triple bonds
  8. 8.

    What is 'benzene'?

    A
    A type of alcohol
    B
    A six-carbon aromatic ring compound that is a fundamental structure in organic chemistry
    C
    A type of amino acid
    D
    A long-chain fatty acid
  9. 9.

    What is an 'amino acid'?

    A
    An organic molecule that serves as a building block of proteins
    B
    A type of sugar
    C
    A fatty substance
    D
    A mineral found in bones
  10. 10.

    What does 'polymerization' describe?

    A
    The chemical process of joining monomers to form a polymer chain
    B
    Breaking apart large molecules
    C
    Dissolving a compound in water
    D
    Heating a substance to its boiling point
  11. 11.

    What is an 'aldehyde'?

    A
    A type of base
    B
    An organic compound containing a carbon-hydrogen-oxygen group (CHO) at the end of a carbon chain
    C
    A noble gas compound
    D
    A type of salt
  12. 12.

    What does 'chirality' refer to?

    A
    The color of a compound
    B
    The weight of a molecule
    C
    The property of a molecule that is not superimposable on its mirror image
    D
    The boiling point of a liquid
  13. 13.

    What is a 'carbohydrate'?

    A
    A compound made of carbon and metal
    B
    A type of fossil fuel
    C
    A compound with only carbon atoms
    D
    An organic compound of carbon, hydrogen, and oxygen, including sugars and starches
  14. 14.

    What is 'cracking' in organic chemistry?

    A
    Mixing two chemicals together
    B
    The process of breaking down large hydrocarbon molecules into smaller, more useful ones
    C
    Breaking a glass container
    D
    Cooling a compound rapidly
  15. 15.

    What is an 'ethanol'?

    A
    A type of plastic
    B
    A poisonous gas
    C
    A type of acid
    D
    A two-carbon alcohol commonly found in alcoholic beverages and used as a fuel

Find more free puzzles and brain games at www.SeniorBrainGames.org

© 2026 SeniorBrainGames