After a nucleus with 85 protons undergoes alpha decay, it has ? protons.

Question

After a nucleus with 85 protons undergoes alpha decay, it has

? protons.

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Farah 3 years 2021-08-15T16:13:19+00:00 1 Answers 209 views 0

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  1. nguyetanh
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    2021-08-15T16:14:23+00:00
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    Answer:

    After a nucleus with 85 protons undergoes alpha decay, it has  83 protons.

    Explanation:

    In an alpha particle there are two protons

    In the given substance’s nucleus, there are total of 85 protons

    After the decay, the proton number reduce

    The current proton number after decay is

    85 -2 = 83

    After a nucleus with 85 protons undergoes alpha decay, it has  83 protons.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )