write three isotopes of hydrogen atoms in symbolic form showing their atomic no. and atomic masses?
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Tritium. H is known as tritium and contains one proton and two neutrons in its nucleus (mass number = 3). It is radioactive, decaying into helium-3 through beta-decay accompanied by a release of 18.6 keV of energy....
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Tritiom
Hilium
Argon....
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