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A radioactive atom yxM emits two α particles and one β particle successively. The number of neutrons in the nucleus of the product will be
  • a)
    X – 4 – Y
  • b)
    X – Y – 5
  • c)
    X – Y – 3
  • d)
    X – Y – 6
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
A radioactive atom yxM emits two α particles and one β part...
Alpha particles and one beta particle. After emission, what is the resulting nucleus?

The emission of two alpha particles means that the original nucleus loses two protons and two neutrons. This results in a new nucleus with an atomic number that is two less than the original nucleus.

yxM - 2α = (y-2)(x-4)

The emission of one beta particle means that a neutron in the original nucleus is converted into a proton, while an electron is emitted from the nucleus. This results in a new nucleus with the same atomic number but one more proton.

(y-2)(x-4) - β = (y-2)x

Therefore, the resulting nucleus is (y-2)x with one more proton than the original nucleus.
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A radioactive atom yxM emits two α particles and one β particle successively. The number of neutrons in the nucleus of the product will bea)X – 4 – Yb)X – Y – 5c)X – Y – 3d)X – Y – 6Correct answer is option 'B'. Can you explain this answer? for 2025 is part of preparation. The Question and answers have been prepared according to the exam syllabus. Information about A radioactive atom yxM emits two α particles and one β particle successively. The number of neutrons in the nucleus of the product will bea)X – 4 – Yb)X – Y – 5c)X – Y – 3d)X – Y – 6Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A radioactive atom yxM emits two α particles and one β particle successively. The number of neutrons in the nucleus of the product will bea)X – 4 – Yb)X – Y – 5c)X – Y – 3d)X – Y – 6Correct answer is option 'B'. Can you explain this answer?.
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