Chemically, actinium is similar to lanthanum.
Actinium react with halogens (F, Cl, Br, I), oxygen, sulphur, etc.
- the electronegativity of actinium is 1,1- actinium is trivalent (excepting in AcH2)- actinium react easily with oxygen, halogens, water vapors, acids
The mechanical properties of actinium are not determined.
The official chemical name is exactly actinium.
The chemical symbol of actinium is Ac.
Actinium is a trivalent chemical element.
Actinium is a trivalent chemical element.
Actinium is a solid metal.
Actinium is a metal because has metallic bonds and the properties of a metal.
The chemical symbol of actinium is Ac.
Actinium is a natural chemical element, radioactive; actinium is a decay product of uranium.
Actinium, with the chemical symbol Ac, is the chemical element with the atomic number 89.
Actinium is a natural chemical element, it is not a man-made element.