Number of the records: 1  

aktínium

  1. Subject h.aktínium
    Subject h.Actinium
    Scope note in EnglishA trivalent radioactive element and the prototypical member of the actinide family. It has the atomic symbol Ac, and atomic number 89. Its principal isotope is 227 and it decays primarily by beta-emission.
    Links (1) - ARTICLES
    subject heading

    subject heading

Number of the records: 1  

  This site uses cookies to make them easier to browse. Learn more about how we use cookies.