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Half Life Questions and Answers
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The figure below shows the path of a radiation from a radioactive source moving in a magnetic field perpendicular
asked
Jul 14, 2021
in
Physics Form 4
by
anony mous
radioactivity
radiations
half-life
nuclear equations
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1
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The half-life of Th is 1.9 years. If after 5.7 years the mass of Th was found to be 1.25 g. Determine the initial mass of the radioactive isotope
asked
Jun 22, 2021
in
Chemistry Form 4
by
anony mous
radioactivity
mass
radioisotope
half-life
calculations
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