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23 July, 13:53

An element X - 24 is a radioactive isotopes used to diagnose restricted blood circulation. How many electrons, protons and neutrons are there in this isotopes if its valency shell electronic is 3s^1?

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  1. 23 July, 17:50
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    12protons, 12neutrons, and 12electrons.

    Explanation:

    An element X - 24 is Magnesium, in its elemental form, it consists of 12 electrons and 12 protons. Magnesium's average atomic mass is 24.305 amu. Isotope is known as a compound with the same number of electrons and protons but a different number of neutrons.

    The three most natural isotopes of Magnesium are Mg-24 (12 neutrons) is 78.9%, Mg-25 (13 neutrons) is 10% and Mg-26 (14 neutrons) is 11.01%, all found in nature. So, about 79% of all Magnesium atoms consist of 12 protons, 12 neutrons, and 12 electrons.
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