What type of material are the lanthanides and actinides?
What type of material are the lanthanides and actinides? Lanthanides and actinides are elements with unfilled f orbitals. Lanthanides are all metals with reactivity similar to group 2 elements. Actinides are all radioactive elements. Lanthanides are used in optical devices (night vision goggles), petroleum refining, and alloys. What type of Read more…