Yes, actinium is an inner transition metal.
Actinium is the first member of the actinoids family.Actinium is a solid, inner transition metal, radioactive, very rare.
Actinium is a natural chemical element, it is not a man-made element.
Actinium is a trivalent chemical element.
Actinium is a trivalent chemical element.
Actinium is the first member of the actinoids family.Actinium is a solid, inner transition metal, radioactive, very rare.
The lanthanide and actinide series. Trait of lanthanide: Lanthanum, element 57. Trait of actinide: actinium, element 89.
Applications of actinium are: - neutron source as actinium-beryllium - radiotherapy
Actinium is a radioactive element with symbol Ac.
Actinium is a natural chemical element, radioactive; actinium is a decay product of uranium.
Actinium is a radioactive natural chemical element, member of the family of actinides; actinium is a solid metal, very rare in the nature.
Actinium had any contribution to our society.
As a highly radioactive element actinium may be lethal.