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JEE Main Chemistry question

ChemistryStructure of AtomJEE Main

The sum of number of neutrons and protons in one of the isotopes of hydrogen is:

Answer: (A)

Solution

For tritium (H): 1 proton + 2 neutrons, sum (equal to its mass number, as expected for any nuclide, since mass number = protons +

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Question ID VK-137335