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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