100 Fm ATOMIC MASS [257]

ELEMENT 100 · ACTINIDE

Fermium (Fm)

Fermium is a synthetic radioactive actinide studied atom by atom, with no practical use beyond research.

Atomic number
100
Category
Actinide
Period
7
Group
f-block
State
Solid

Fun facts about Fermium

  • It was identified in the same thermonuclear-test debris that revealed einsteinium.
  • Only extremely small quantities are produced.
  • Its isotopes are too short-lived for bulk applications.

Common uses of Fermium

  • Fundamental nuclear and chemical research only

Where Fermium sits in the periodic table

Fermium belongs to the actinide series in period 7 and the f-block of the periodic table. Under the conditions represented in this reference, its state is solid.

Quick chemistry revision

For quick revision, pair the symbol Fm with atomic number 100 and the listed atomic mass [257]. The summary, facts, and uses above keep those element properties together in one reference.