Meaning of ACTINIUM in English

ACTINIUM

Name: actinium

Symbol: Ac

Atomic number: 89

Atomic weight: [ 227 ]

Group in periodic table:

Group name:

Period in periodic table: 7 (actinoid)

Block in periodic table: f-block

CAS registry ID: 7440-34-8

Actinium is dangerously radioactive. The chemical behaviour of actinium is similar to that of the rare earths, particularly lanthanum. It is found naturally in uranium ores and actinium is 150 times more radioactive than radium.

Chemistry of the elements English vocabulary.      Английский словарь химии элементов.