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Question: Answered & Verified by Expert
The sum of protons, electrons and neutrons in the heaviest isotope of hydrogen is
ChemistryHydrogenJEE Main
Options:
  • A 6
  • B 5
  • C 4
  • D 3
Solution:
2820 Upvotes Verified Answer
The correct answer is: 4
The heaviest isotope of hydrogen is Tritium. Tritium, also denoted as 'H or $\mathrm{T}$, contains:
1 proton
1 electron
2 neutrons 1
So, the sum of protons, electrons, and neutrons in Tritium is $1+1+2=4$. Therefore, the answer to your question is 4 .

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