Question

Isotopes are the atoms of the same element with same atomic number but different mass

number. 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 neutrons

1x 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 1

Answer:

(b) 1,2

T stands for tritium. The nucleus of tritium contains one proton and 2 neutrons.