JEE Main Chemistry question

Chemistry Structure of Atom JEE Main

If an isotope of hydrogen has two neutrons in its atom, its atomic number and mass number will be:

(A)2 and 1
(B)3 and 1
(C)1 and 1
(D)1 and 3Correct

Answer: (D)

Solution

This isotope (tritium) still has atomic number 1 (1 proton); with 2 neutrons, mass number .

Question ID VK-132655