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Isotopes are the atoms of the same element with same atomic number but different massnumber. Isotopes of same element have same chemical properties due to same number of electrons. Atomic number of an atom is the number of electrons / protons in it and mass number is the sum of protons and neutrons1x 4 Hydrogen has 3 isotopes H, D and T. Number of electrons and neutrons in T will be (A)3,1 (B) 1,2 (C) 1,0 (D)2,1​

Answer»

Answer:

(B) 1,2

T STANDS for tritium. The nucleus of tritium contains ONE proton and 2 neutrons.



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