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28 November, 08:46

A radioactive element undergoes decay via the loss of two alpha particles to form a stable daughter isotope. Following the decay, what would the atomic number of this newly created stable isotope be?

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  1. 28 November, 09:29
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    Atomic number of the daughter isotope = (Atomic number of the parent isotope) - 4

    Explanation:

    An alpha particle has atomic number of 2 and a mass number of 4

    Losing two alpha particles would lead to a reduction of 4 in atomic number and 8 in mass number for the radioactive isotope, to give the stable daughter isotope.
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