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Fermium

Fermium General

Name:Fermium Symbol:Fm
Type:Rare Earth, Actinides Atomic weight:257
Density @ 293 K: Atomic volume:
Discovered:

1954

Fermium States

State (s, l, g):solid
Melting point:1800 K (1527 °C) Boiling point:K

Fermium Energies

Specific heat capacity: Heat of atomization:kJ/mole atoms
Heat of fusion: Heat of vaporization :
1st ionization energy:627 kJ/mole 2nd ionization energy:kJ/mole
3rd ionization energy:kJ/mole Electron affinity:kJ/mole

Fermium Oxidation & Electrons

Shells: 2,8,18,32,30,8,2 Electron configuration:[Rn] 5f12 7s2
Minimum oxidation number:0 Maximum oxidation number:3
Min. common oxidation no.:0 Max. common oxidation no.:3
Electronegativity (Pauling Scale):1.3 Polarizability volume:23.8 Å3

Fermium Appearance & Characteristics

Structure: Color:
Hardness:mohs
Harmful effects:

 

Characteristics:

Radioactive


Uses:

 

Fermium Reactions

Reaction with air: Reaction with 6 M HCl:
Reaction with 15 M HNO3: Reaction with 6 M NaOH:

Fermium Compounds

Oxide(s): Chloride(s):
Hydride(s):

Fermium Radius

Atomic radius:pm Ionic radius (1+ ion):pm
Ionic radius (2+ ion):pm Ionic radius (3+ ion):pm
Ionic radius (2- ion):pm Ionic radius (1- ion):pm

Fermium Conductivity

Thermal conductivity:J/m-sec-deg Electrical conductivity:1/mohm-cm

Fermium Abundance & Isotopes

Abundance earth's crust: log
Abundance solar system: log
Cost, pure:$/100g
Cost, bulk:$/100g
Source:

Synthetic

Isotopes:

0

Fermium Other

Other:

 


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