Chemically, actinium is similar to lanthanum.
Actinium react with halogens (F, Cl, Br, I), oxygen, sulphur, etc.
Actinium can react with halogens (F, Cl, Br, I), oxygen, sulphur, etc.
The chemical symbol of actinium (not the formula) is Ac.
Actinium is extremely radioactive and dangerous. See the article on link.
Actinium has a white-silvery appearance.
The appearance of actinium is silvery metallic.
Actinium is a metal with a silvery appearance. It is not hard.
Actinium is rarely used:- as actinium-beryllium neutron source- in radiotherapy
Actinium is a natural chemical element, radioactive; actinium is a decay product of uranium.
The name actinium is derived from the Greek language word aktis with the meaning radiation.
Actinium has a metallic silvery appearance.
The appearance of actinium is silvery metallic.
Actinium has a silvery metallic appearance.
Actinium has a white-silvery metallic appearance.
Actinium is a metal with a silvery appearance. It is not hard.
Actinium is found in very low concentrations in uranium ores, probably as an oxyde.
Actinium is a radioactive metal; no taste !
no actinium is not a magnet no actinium is not a magnet
Actinium is a trivalent metal; only in the actinium hydride is divalent.
Actinium is a metal.
Applications of actinium are: - neutron source as actinium-beryllium - radiotherapy
Actinium may be used in actinium-beryllium neutron sources or in radiotherapy.