The knowledge of half-life can be used to - JAMB Chemistry 2018 Question
The knowledge of half-life can be used to
A
Create an element
B
Detect an element
C
Split an element
D
Irradiate an element
correct option: c
Half-life is the time taken for the radioactivity of a specified isotope to fall to half its original value."iodine-131 has a half-life of 8.1 days"
It can also be defined as the time required for any specified property (e.g. the concentration of a substance in the body) to decrease by half.
A useful application of half-lives is radioactive dating. ... It takes a certain amount of time for half the atoms in a sample to decay. It then takes the same amount of time for half the remaining radioactive atoms to decay, and the same amount of time for half of those remaining radioactive atoms to decay, and so on.
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