How many protons are in the isotope 231/91Pa

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How many protons are in the isotope 231/91Pa

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Gia Bảo 4 years 2021-08-22T06:22:50+00:00 1 Answers 12 views 0

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  1. nguyetanh
    0
    2021-08-22T06:24:05+00:00
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    There are truly 91 protons in 231/91Pa.
    Here is extra information about this but different.
    There are 140 neutrons in 231/91Pa
    There are 91 electrons in 231/91Pa
    And the melting point is 1600.0° C.
    Hope this helps!

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