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anonymous

  • one year ago

will fan and medal! When a radioactive isotope releases an alpha particle, the atomic number of the atom is A.decreased by two. B. decreased by four. C. increased by two. D.increased by four.

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  1. anonymous
    • one year ago
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    @paki

  2. Rushwr
    • one year ago
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    What do you think?

  3. Rushwr
    • one year ago
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    alpha particle is equivalent to a helium atom right? \[He _{2}^{4}\] So when it undergoes an alpha decay the atomic number or the no. of protons decrease by two !

  4. anonymous
    • one year ago
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    i thought it was A. so i was right?

  5. anonymous
    • one year ago
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    it was right. Thanks.

  6. Rushwr
    • one year ago
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    anytime

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