What are radio isotopes? Discuss any three examples of radioactive isotopes along with their applications.
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Solution
The isotopes which are unstable due to presence of extra neutrons in their nuclei and emits various types of radiations and become more stable are called radio active isotopes.
They emit alpha, beta, gamma etc. to become stable.
They are made use in many fields.
Iodine-131 is a radioactive isotope of iodine and it is used for the diagnosis and treat cancer in thyroid gland.
Cobalt-60 is a radioactive isotope of cobalt and is used for the treatment of cancer.
U-235 is a isotope of uranium which is radio active and is used as a fuel in nuclear power plants.