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What is the most common isotope of cobalt?

Co-59 is the only isotope of cobalt to exist naturally. There are twenty-two known radioactive isotopes of cobalt. The most stable cobalt radioisotope is Co-60, which has a half-life of more than 5.2 years. Most of the other radioisotopes of cobalt have half-lives of less than one second.

What are the uses of cobalt's radioactive isotopes?

Uses of radioactive isotopes in medicine Iodine-131 treatment. A radioactive isotope of iodine-131 uses in external radiation therapy for the treatment and diagnosis of thyroid gland disorders in the human body. Uses of cobalt-60. The radioactive cobalt-60 isotope is an example of a gamma emitter with definite wavelengths. ... Uses of sodium 24. ... Phosphorus-32 Used in blood cancer. ...

Are isotopes of cobalt used in cancer treatment?

The cobalt radioisotopes are produced in either a particle accelerator (for commercial or healthcare uses) or indirectly as a by-product of nuclear reactors, when structural materials (e.g. steel) are exposed to neutron radiation. Cobalt-60 (60Co) has been used for radiotherapy cancer treatment, food irradiation and industrial applications.

How many stable isotopes does the element cobalt have?

Isotopes of cobalt. Naturally occurring cobalt ( 27 Co) is composed of 1 stable isotope, 59 Co. 28 radioisotopes have been characterized with the most stable being 60Co with a half-life of 5.2714 years, 57 Co with a half-life of 271.8 days, 56 Co with a half-life of 77.27 days, and 58 Co with a half-life of 70.86 days.

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