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14 June, 18:08

When 238u92 becomes, 234Th90 what type of decay has taken place?

Question 6 options:

alpha

beta

gamma

positron

+2
Answers (1)
  1. 14 June, 19:47
    0
    Answer: alpha

    Explanation: Alpha particles are fast moving streams of positively charged particles that are shown to be Helium nuclei. They have a mass

    number of 4 and an atomic number of 2 and a charge of + 2. Alpha particles are represented as 4He2. When 238U92 becomes 234Th90, it emitted a helium nucleus 4He2. The equation for the decay is 238U92 - --> 234Th90 + 4He2.
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