Use the electron mass from Table 2.1 and the measured mass of the nuclide 18.998403 u, to determine the binding energy per nucleon (in megaelectronvolts) of this atom.
Monday, February 1, 2016 Chapter 2 cont. charge on e = 1.609 x 10 -19c calculated mass on e = 9.11 x 10 -31kg Millikan Oil Drop experiment - Observed charges on oil droplets produced by x-rays with voltage on and voltage off. Voltage on-> droplets with negative charge will fall more slowly or even rise. - There must be another particle to neutralize atom. Proton • Radioactive material discoveries - gamma γ: high energy photons - alpha α: (helium nucleus) heavy emission - beta β: (free electrons) negative emission • Rutherford (1871-1937) Gold Foil experiment - tests “plum-pudding” model and concludes with his “nuclear” model - Noble Prize in Chemistry 1908 α Bombardment of Metal Foil: about 1