MODULE 1 UNIT 3
Assignment Part E
1.
Have a good look at the smoke detector you have at home. If you don’t
have one, get the information from someone who has one (and think of
getting yourself one).
(2 marks each)
a)
What’s the name of the radioactive isotope used in the detector?
(You should be able to get this name from the description included inside
the detector.)
The isotope is called Americurium-241
b)
How many neutrons do the atoms of this radioactive element
have?
Americium-241 has 146 neutrons.
4 marks
2.
Consult an encyclopaedia or a reference book and find one use, not
previously mentioned in this module, for radioisotopes. In your own words
,
describe this particular use.
2 marks
Cobalt-60 is a radioisotope and has many application, it is being used
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- Fall '15
- Chemistry, Radioactive Decay, Chemical element, Radionuclide, Ionizing radiation, Isotope
