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19 April, 15:02

A radioactive nuclide that is used for radiation therapy for cancer has 33 neutrons and a mass number of 60. Which is the correct symbol for this nuclide?

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  1. 19 April, 16:56
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    To find the element, find the number of protons it has

    Number of protons = Total mass - number of electrons

    Number of protons = 60 - 33 = 27

    Therefore the atomic number of the nuclide is 27

    The 27th element is cobalt, therefore the answer is Cobalt or Co
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