Also known as: AC-
AC has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of AC in Scientific & Educational.
Symbol:"Ac" Atomic Number:"89" Atomic Mass: 227.03amu. It is one of the elements in the actinide series of inner transition elements. It may also be classified as a rare earth element. Actinium is the first element of the actinide series. It is used as a source of neutrons in experiments that involve radioactivity. You will not find the element in regular use anywhere in the natural world.
Scientific & EducationalLast updated: