Science 30 January 2000 Diploma Examination
Science 30 January 2000 Diploma Examination
Science 30 January 2000 Diploma Examination
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33. The alpha decay of radium-226 is represented by<br />
A. 226<br />
Ra →<br />
222<br />
Rn + He<br />
2 4<br />
88<br />
86<br />
B. 226<br />
Ra →<br />
222<br />
Rn +<br />
4 4 He<br />
88<br />
84<br />
C. 226<br />
Rd →<br />
222<br />
Po +<br />
4 4 He<br />
88<br />
84<br />
D. 226<br />
Rd →<br />
222<br />
Po +<br />
2 4 He<br />
88<br />
84<br />
Numerical Response<br />
11. The energy produced when 0.220 kg of nuclear fuel is transformed completely<br />
into energy is __________ × 10 16 J.<br />
(Record your answer to three digits in the numerical-response section on the answer sheet.)<br />
34. An environmental concern that may be associated with coal but not with nuclear<br />
power generation is<br />
A. acidic deposition<br />
B. thermal pollution<br />
C. pollution from phosphates<br />
D. depletion of the ozone layer<br />
20
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