Meaning of FERMIUM in English


Name: fermium

Symbol: Fm

Atomic number: 100

Atomic weight: [ 257 ]

Group in periodic table:

Group name: Actinoid

Period in periodic table: 7 (actinoid)

Block in periodic table: f-block

CAS registry ID: 7440-72-4

Fermium's chemical properties are largely unknown. Fermium is a radioactive rare earth metal. The longest living isotope is is 257Fm with a half-life of 80 days. It is of no commercial importance.

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