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Question: Answered & Verified by Expert
A nucleus of lead $\mathrm{Pb}_{82}^{214}$ emits two electrons followed by an alpha particle. The resulting nucleus will have
PhysicsNuclear PhysicsKVPYKVPY 2011 (SA)
Options:
  • A 82 protons and 128 neutrons
  • B 80 protons and 130 neutrons
  • C 82 protons and 130 neutrons
  • D 78 protons and 134 neutrons
Solution:
1416 Upvotes Verified Answer
The correct answer is: 82 protons and 128 neutrons


$82 \rightarrow$ Proton
$210-82=128$ Neutron

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