Yttrium-90
= Yttrium-90
{wiki=Yttrium-90}
Yttrium-90 (\\(^\{90\}\\text\{Y\}\\)) is a radioactive isotope of yttrium. It has a mass number of 90 and is commonly known for its applications in the field of medicine, particularly in radiation therapy for cancer treatment. Yttrium-90 is a beta emitter, meaning it decays by emitting beta particles.