Fermium

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Fermium
Fm
In situ availability:
Necessity:
Atomic number:	100
Atomic mass:	[257]
group:	19
period:	N/A
normal phase:	Solid
series:	Actinide
density:
melting point:	1800K, 1527°C, 2781°F
boiling point:
Ho ← Er → Tm
Es ← Fm → Md
N/A ← N/A → N/A
Atomic radius (pm):
Bohr radius (pm):
Covalent radius (pm):
Van der Waals radius (pm):
ionic radius (pm):	-
1st ion potential (eV):	6.50
Electron Configuration
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 4f14 5s2 5p6 5d10 5f12 6s2 6p6 7s2
Electrons Per Shell
2, 8, 18, 32, 30, 8, 2
Electronegativity:	1.3
Electron Affinity:	-
Oxidation states:	3
Magnetism:
Crystal structure:

Fermium is a Actinide metal. It does not have any isotopes considered to be natural. Its longest-lived known isotope has an atomic number of 257. This element has no stable isotopes.

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