Ac (from Greek aktis, "ray") is a rare, silvery radioactive metal. It glows faintly in the dark due to its intense radioactivity, playing a key role in the study of nuclear decay and atomic physics.
Ac (from Greek aktis, "ray") is a rare, silvery radioactive metal. It glows faintly in the dark due to its intense radioactivity, playing a key role in the study of nuclear decay and atomic physics.