Chart of the Nuclides (Knolls Atomic Power Laboratory, A Division of GE)
Objective:  Compare several elements and their isotopes using the Chart of the Nuclides
Materials: Chart of the Nuclides
Methods and Analysis
Using the Symbol Codes on the Nuclide Chart, determine the following for each nuclide:

1.  Nuclide Z = 6   Element _______________  Symbol ______
A)  How many stable isotopes for Z = 6?  __________
B)  What is the only natural radioactive isotope for Z = 6?  _____________
C)  What type of emitter is it?  __________________
D)  What is its half-life? ____________________

  2.  Nuclide Z = 20  Element _______________  Symbol  _______
A)  How many stable isotopes for Z = 20?  __________
B)  Which isotope of Z = 20 is most abundant?  ___________; What %?  _________
C)  What is the half-life of the isotope with 27 neutrons?  _________________
D)  What type of emitter is it?  _____________
E)  Specifically, what does it transmutate into? _____________________________________

  3.  Nuclide Z = 94  Element ________________  Symbol  ________
A)  How many radioactive isotopes for Z = 94? ____________
B)  What type of emitter is A = 236?  ______________
C)  What is the half-life of  A = 239?  _________________
D)  Does A = 239 undergo spontaneous fission?  ______________
E)  What is the energy of the α particle for A = 239 during  its release?  _____________ (Units)  

4.  Nuclide Z = 92  Element _________________  Symbol  _________
A)  What is the % abundance for the isotope with 146 neutrons?  ____________
B)  What type of decay does it undergo?  ________________
C)  Does spontaneous fission occur?  _________

  5.  Nuclide Z = 1  Element __________________  Symbol ______
A)  For A = 1, what is the % abundance?  ________
B)  For A = 3, what is its half-life?  _____________
C)  For A = 3, what type of emitter is it and what does it transmutate to?  _______  _______

  6.  For Z = 0,  name the particle.  ___________________
A)  What is its half-life in the free state?  ________________
B)  What type of emitter is it and what does it transmutate to?  ______________, ______________
C)  What is its mass in amu?  ____________________,  kilograms ___________________

  7.  For Z = 109 Element_________________________ Symbol_________
A) How many neutrons in the element? _______________
B) What is it=s half-life? __________________________
C) What type of emitter is it and with what energy? ___________________________________

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