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

Question

If an isotope of hydrogen has two neutrons in its atom, its atomic number and atomic mass respectively be (A) 2 and 1 (B) 1 and 1 (C) 3 and 1 (D) 1 and 3

Tardigrade Admin · Accepted Answer

The atomic number of isotope of hydrogen is always one, so it have only one proton in its nucleus and given that it have two neutrons, it means that its mass number is 3.

Q. If an isotope of hydrogen has two neutrons in its atom, its atomic number and atomic mass respectively be

2 and 1

1 and 1

3 and 1

1 and 3

The atomic number of isotope of hydrogen is always one, so it have only one proton in its nucleus and given that it have two neutrons, it means that its mass number is 3.