Molybdenum-100 is a stable isotope of the element molybdenum, which has the atomic number 42. It is one of the most abundant isotopes of molybdenum, making up about 24% of naturally occurring molybdenum. Molybdenum-100 is used in various industrial applications, including the production of alloys and as a catalyst in chemical reactions. In addition to its industrial uses, molybdenum-100 plays a role in scientific research, particularly in the fields of nuclear physics and radiochemistry. Its stable nature allows researchers to study the properties of molybdenum without the complications of radioactivity, making it valuable for experiments and applications in technology.