lead-204
Lead-204 is a stable isotope of the element lead, which has an atomic number of 82. It is one of the end products of the radioactive decay of uranium and thorium. Lead-204 is not radioactive, making it useful in various applications, including scientific research and industrial processes.
This isotope has a mass number of 204 and is part of the lead family, which includes other isotopes like lead-206 and lead-207. Its stability and non-radioactive nature make it an important reference point in studies involving radiometric dating and environmental monitoring.