Actinides are a series of 15 metallic chemical elements, from actinium through lawrencium, found below the main Periodic Table. These heavy, silvery-white metals are all radioactive, with many being synthetic and vital for nuclear science.
Actinides are a series of 15 metallic chemical elements, from actinium through lawrencium, found below the main Periodic Table. These heavy, silvery-white metals are all radioactive, with many being synthetic and vital for nuclear science.