Transcription of CHAPTER 2: ANSWERS TO ASSIGNED PROBLEMS
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CHAPTER 2: ANSWERS TO ASSIGNED PROBLEMS
1 CHAPTER 2: ANSWERS TO ASSIGNED PROBLEMS Hauser- General Chemistry I revised 8/03/08 Describe a major contribution to science made by each of the following scientists: (b) Thomson Measured charge to mass ratio of the electrons (e/m); proposed plum pudding model. (c) Millikan Measured charge of electron in the oil drop experiment, therefore allowing calculation of the mass of the electron. (d) Rutherford Gold foil experiment showed that atoms are mostly empty space with dense, positive center. (a) Define atomic number and mass number. Atomic number represents the # of protons in an atom. Atomic mass number is the sum total of protons and neutrons in an atom.
CHAPTER 2: ANSWERS TO ASSIGNED PROBLEMS Hauser- General Chemistry I revised 8/03/08 2.79 Describe a major contribution to science made by each of the following scientists: (b) Thomson Measured charge to mass ratio of the electrons (e/m); proposed plum pudding model.
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