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

If an isotope of huydrogen has two neutrons on its atom, the atomic number and mass number will respectively will be:

If an isotope of hydrogen has two neutrons in its atom, its atomic number and atomic mass number will respectively be : 2 and 1, 3 and 1, 1 and 1, 1 and 3

Nucleus of an atom has 6 protons and 8 neutrons. What is its atomic number and mass number? What is this element?

An isotope of atomic mass 25 has 13 neutrons in its neucleus .What is its atomic number and what are the name and chemicalsymbol of the element ?

An isotope of atomic mass 25 has 13 neutrons in its neucleus .What is its atomic number and what are the name and chemicalsymbol of the element ?

The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What are its atomic number and mass number ?