19. The main element used as fuel for present day nuclear power plants is ______
ID: 1012826 • Letter: 1
Question
19. The main element used as fuel for present day nuclear power plants is ___________.
20. The most penetrating radiation discussed in class is_______.
21. The radiation we studied that has the greatest potential of biological damage in the body is ____________.
22. ________________________ is the conversion of one chemical element into another chemical element.
23. Three ways to minimize exposure to a radiation source are
___________, ____________, and _____________.
24. The five (5) major components discussed in class of a nuclear power reactor are _____________, _____________, ______________, ______________, and ______________.
25. When non-gonadal cells receive radiation damage, it is referred to as ___________ radiation damage.
26. What is the purpose of nuclear binding energy?
27. Balance the following nuclear equations: (Fill in the blank spaces.)
a. 235U + 1n ____ 1n + 139Ba + 94Kr
b. 37K ____ + 0e
c. 27Al + ____ 24Na + 4He
d. ____ + 1n 142Ba + 91Kr + 3 1n
e. 241Am + 4He 2 1n + ____
28. List 3 applications of radioactivity, except in smoke detectors.
Explanation / Answer
19. The main element used as fuel for present day nuclear power plants is uranium.
20. The most penetrating radiation discussed in class is gamma radiation.
21. The radiation we studied that has the greatest potential of biological damage in the body is gamma radiation.
22. Nuclear transmutation is the conversion of one chemical element into another chemical element.
23. Three ways to minimize exposure to a radiation source are time, distance and shielding.
24. The five (5) major components discussed in class of a nuclear power reactor are fuel, moderator, control tubes, coolant and pressure tubes.
25. When non-gonadal cells receive radiation damage, it is referred to as long term somatic radiation damage.
26. Nuclear binding energy is the energy that is required to break a nucleus into smaller components. This is the required energy that must be supplied for the nucelar reaction to occur.
27. Balance the equation,
a. 235U + 1n ---> (2)1n + 139Ba + 94Kr
b. 37K ---> 37Ar + 0e
c. 27Al + 1p --> 24Na + 4He
d. 236U + 1n --> 142Ba + 91Kr + 3 1n
e. 241Am + 4He --> 2 1n + 243Am
28. Applications of radioactivity would be in medical usage, to follow chemical changes in a reaction mechanism, for generating electricity.
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