Unit 1: The Chemistry of Life Extras  Study Guide

Chapter 4 9 Review
  1. Living organisms are made up of compounds based mostly on the element carbon, which has valence electrons, and can form four covalent bonds with other atoms.
  2. Fats contain tails composed of only and atoms.
  3. Some organic compounds occur as with the same molecular formula but _ani_4,2 different .
  4. groups are the chemically reactive groups of atoms that give molecules distinctive chemical properties.
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