Question

Hydrogen (atomic number 1) has three is isotopes: 1^H, 2^H, and 3^H. What is the number of protons in an atom of hydrogen with the highest mass number?
1
0
3
2

Answer 1

@Vocaloid

Answer 2

the number of protons is always the same as the atomic number for all isotopes

so 1

Answer 3

Thanks =)