Àdàkọ:Infobox fermium

einsteinium ← fermium → mendelevium Er ↑ Fm ↓ (Upn) 100Fm Periodic table
Ìfarahàn
unknown, probably silvery, white or metallic gray
Àwọn ìní àníkárí
Orúkọ, àmì-ìdámọ̀, nọ́mbà	fermium, Fm, 100
Ẹ̀ka apilẹ̀sẹ̀	actinide
Àdìpọ̀, ìgbà, block	n/a, 7, f
Ìwúwo átọ́mù	(257) g·mol−1
Ìtòjọ ẹ̀lẹ́ktrónì	[Rn] 5f12 7s2
Àwọn ẹ̀lẹ́ktrónì lórí ọ̀nà kan	2, 8, 18, 32, 30, 8, 2 (Image)
Àwọn ìní aláfójúrí
Phase	solid
ojúàmì ìyọ́	1800 K, 1527 °C, 2781 °F
Atomic properties
Oxidation states	2, 3
Electronegativity	1.3 (Pauling scale)
Ionization energies	1st: 627 kJ·mol−1
Miscellanea
CAS registry number	7440-72-4
Most stable isotopes
Main article: Isotopes of fermium
iso NA half-life DM DE (MeV) DP 252Fm syn 25.39 h SF - - α 7.153 248Cf 253Fm syn 3 d ε 0.333 253Es α 7.197 249Cf 255Fm syn 20.07 h SF - - α 7.241 251Cf 257Fm syn 100.5 d α 6.864 253Cf SF - -

References

This reference list does not appear in the article.