Questions asked by Reign

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• Provide a symbol for the isotope of bismuth that contains 124 neutrons.?
  
• How many protons and neutrons are in the nuclide? #Rn^219_86#
  
• Phosphorus-32 has a half-life of 14.0 days. Starting with 6.00 g of #""^32P#, how many grams will remain after 56.0 days?
  
• Carbon-14 has a half-life of 5730 years. In a plant fossil, you find that the #""^14C# has decayed to 1/32.0 of the original amount. How long ago was this plant alive?
  
• What is the nuclear reaction for the neutron-induced fission of U-235 to produce Te-137 and Zr-97?