Actinium had any contribution to our society.
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.
any nickname (and generally for the chemical elements) for actinium
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.
The first name was also actinium.
Actinium has a white-silvery metallic appearance.
One atom; actinium is an element, not a molecule.
Actinium-227 decay to francium-223.
Yes, actinium is an inner transition metal.