What is the mass number for Mo?

The mass number for molybdenum (Mo) varies depending on its isotopes. The most common isotope, molybdenum-98, has a mass number of 98. Other stable isotopes include Mo-92, Mo-94, Mo-95, Mo-96, and Mo-97, with mass numbers ranging from 92 to 97. Therefore, the mass number for Mo can differ based on the specific isotope being referenced.