Chapter 21 Nuclear Chemistry Chemistry, The Central Science, 11th edition Theodore L. Brown; H. Eugene LeMay, Jr.; Bruce E. Bursten and Catherine J. Murphy Chapter 21 Nuclear Chemistry Donna Narsavage Heald Siena College Loudonville, NY  2009, Prentice Hall

The radioactive decay of Ra to Rn occurs with: 226Ra 222Rn Loss of a neutron. Gain of a proton. Loss of electrons. Loss of an alpha particle. Gain of a positron.

The radioactive decay of Ra to Rn occurs with: 226Ra 222Rn Loss of a neutron. Gain of a proton. Loss of electrons. Loss of an alpha particle. Gain of a positron.

Which nuclide is “doubly magic”—contains a magic number of protons and neutrons? Magic numbers = 2, 8, 20, 28, 50, 82 2H 16O 40Ca 28Si 59Ni

Which nuclide is “doubly magic”—contains a magic number of protons and neutrons? Magic numbers = 2, 8, 20, 28, 50, 82 2H 16O 40Ca 28Si 59Ni

Which nuclide(s) would you expect to be radioactive? 118I 140Ce 206Pb 227Ac 140Ce and 206Pb 118I and 140Ce 206Pb and 227Ac 140Ce and 227Ac 118I and 227Ac

Which nuclide(s) would you expect to be radioactive? 118I 140Ce 206Pb 227Ac 140Ce and 206Pb 118I and 140Ce 206Pb and 227Ac 140Ce and 227Ac 118I and 227Ac

How would you classify the reaction shown below? Radioactive decay Nuclear fission Nuclear fusion Nuclear transmutation None of the above

How would you classify the reaction shown below? Radioactive decay Nuclear fission Nuclear fusion Nuclear transmutation None of the above

Oxygen-15 is used as a radioactive tracer in medical imaging and has a half-life of 2.0 min. If the initial concentration of 15O is 16 mM, how long will it take for the concentration to be reduced to 1 mM? 4 min 6 min 8 min 10 min 12 min

Oxygen-15 is used as a radioactive tracer in medical imaging and has a half-life of 2.0 min. If the initial concentration of 15O is 16 mM, how long will it take for the concentration to be reduced to 1 mM? 4 min 6 min 8 min 10 min 12 min