NEET Physics Nuclei Questions Solved

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A nucleus of an element X84202 emits an α-particle first, a β-particle next and then a gamma photon. The final nucleus formed has an atomic number 
(a) 200            (b) 199
(c) 83              (d) 198

(c) X84202α-decayY82198+He24  and

Y82198β-decayZ83198+β-10

Difficulty Level:

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