The rare isotope of hydrogen is______

The radiactive isotope of hydrogen is

The specific charge of electron is (s). The order of specific charge of the heaviest isotope of hydrogen is

The least abundant isotope of hydrogen is

Which is the radioactive isotope of hydrogen?

Name the isotope of hydrogen which used in nuclear reactor.

Name the isotope of hydrogen which used in nuclear reactor.

Name the three isotopes of hydrogen.

Name the isotope of hydrogen which have atomic number one mass number two.

Which isotope of hydrogen is radioactive ?

Which isotope of hydrogen is radioactive?