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ï§Carbon-based molecules are called organic compounds. ï§â¯By sharing electrons, carbon can ââ¯bond to four other atoms and ââ¯branch in up to four directions. ï§â¯compounds composed of only carbon and hydrogen are called hydrocarbons. ï§â¯A carbon skeleton is a chain of carbon atoms that can be ââ¯branched or ââ¯unbranched.
Name: ____________KEY____________________________ Date: __________________________ Period: ________. Organic Molecules Review Worksheet | Chapter 2 (2.3 & 2.5) Carbon Based Molecules. 1. In terms of science, what does the term âorganicâ mean? Contains carbon, or carbon based. 2. What is it about Carbonâs atomic structure that makes it âthe building block of lifeâ? It has 4 outer electrons (needs 8 to be full) so it can form up to FOUR BONDS. 3. Name the four different types of organic molecules: Carbohydrates Lipids Proteins Nucleic acids 4. Define the following and label the following picture: a. Monomer: Smaller carbon based subâunit b. Polymer: A chain of linked monomers Carbohydrates 5. List the 3 elements that make up carbohydrates: a. Carbon b. Hydrogen c. Oxygen 6.