3115P and 3215P have virtually identical chemical and biological properties because they have the same. Naim 23:55 Small Molecules and the Chemistry of Life 3115P and 3215P have virtually identical chemical and biological properties because they have the same. a. half-life. b. number of neutrons. c. atomic weight. d. mass number. e. number of electrons. Answer: E Learn More : Share this Share on FacebookTweet on TwitterPlus on Google+