HW-15 - HOMEWORK FOR TUESDAY, AUGUST 2, 2005 1. Consider...

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HOMEWORK FOR TUESDAY, AUGUST 2, 2005 1. Consider the atom denoted by Au 79 183 Þ The common name of this element is ________________________. It has __________ electrons, _____________ protons, ___________ neutrons, and ___________ quarks. This atom is radioactive and decays by alpha decay with a half-life of 49 seconds. Determine the fraction of its atoms that decay in each second (i.e., determine its decay constant). Write down the decay of this atom and determine the new atom that results. The new atom has ____________ protons and _____________ neutrons in its nucleus. 2. Consider the atom denoted by Au 79 199 Þ It has __________ electrons, _____________ protons, ___________ neutrons, and ___________ quarks. This atom is radioactive and decays by beta decay with a half-life of 3.15 days. Determine the fraction of its atoms that decay in each second (i.e., determine its
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HW-15 - HOMEWORK FOR TUESDAY, AUGUST 2, 2005 1. Consider...

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