Positively-charged particles consisting of two protons and two neutrons emitted by radioactive materials is called

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Positively-charged particles consisting of two protons and two neutrons emitted by radioactive materials is called

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Khánh Gia 3 years 2021-07-25T19:03:00+00:00 2 Answers 28 views 0

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  1. Vodka
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    2021-07-25T19:04:10+00:00
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    Answer:

    Alpha particle

    Explanation:

  2. Nho
    0
    2021-07-25T19:04:29+00:00
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    Answer: Alpha particle

    Explanation:

    Alpha decay is defined as the decay process in which a heavier nucleus decays into a lighter nuclei. This decay process releases alpha particle which is also known as helium nucleus.

    Alpha particle released carries a mass of 4 units and a charge of +2 units. The alpha particle is also known as helium atom.

    In this decay, the atomic number of the atom released gets reduced by 2 units and atomic mass is reduced by 4 units as helium contains 2 protons and 2 neutrons as atomic number is 2 and mass number is 4.

    The chemical equation for the alpha decay process is given as:

    _Z^A\textrm{X}\rightarrow _{Z-2}^{A-4}\textrm{Y}+_2^4\textrm{He}

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