Nuclear Chemistry
Name
Period
Unit 2 – HW 3 Worksheet (Goals 6 – 8)
1. Explain the difference between an isotope and a radioisotope.
2. Complete the following table:
Type (Name)
Consists of
2 Protons and
2 Neutrons
Electron
Mass (amu)
Symbol
Penetrating Power
(lo,hi,med)
Minimum shielding
3. Write the balanced nuclear equations for the following examples
214
Po
a. Alpha emission of 84
b. Beta emission of
210
83
Bi
c. Positron emission of
d. Neutron emission of
e. Beta absorption of
70
33
As
88
35
Br
116
51
Sb
High-energy
electromagnetic
radiation
4. Complete the following Nuclear Equations by Identifying A, Z, and X.
U  01n ZAX
235
92
222
88
A
Z
Ra  24He  ZAX
54
X  10e24
Cr
A
1
U  01n139
56 Ba  Z X 30 n
235
92
2
1
H 13H  ZAX  01n
5. What happens to an atom with a nucleus that falls outside the band of stability?
6. Identify the more stable isotope in each pair:
a. C-14, C-12
b. H-3, H-1
c. O-16, O-18
d. N-14, N-15
Explain how/why you identified each isotope in the above pairs as more stable.
7. Explain how strong nuclear force differs from electrical force.
8. What are the transuranium elements and why are they unusual?
9. Differentiate between fission and fusion.