A nuclide \(^{202}_{84} Y\) emits in succession an \(\alpha-particle\) and a \(\beta-particle\). The atomic number

PHYSICS
WAEC 2000

A nuclide \(^{202}_{84} Y\) emits in succession an \(\alpha-particle\) and a \(\beta-particle\). The atomic number of the resulting nuclide is

  • A. 198
  • B. 83
  • C. 82
  • D. 80

Correct Answer: B. 83



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