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mineralogy elements Fm fermium

Fm - fermium - METAL ACTINIDES

1527°
257
2
3
100
Fm
[Rn] 5f12 7s2
2
8
18
32
30
8
2
1.3
6.5
Synthetic
Radioactive
Liquid
Gaseous
fermium Electronic configuration diagram
Electronic configuration diagram

Name fermium
Number 100
Atomic 257
Symbol Fm
Fusion 1527
Boiling 0
Density 9.7
Period 7
Group 0
Discovery 1953 Ghiorso et al.
Abundance 0
Radius 0
Electronegativity 1.3
Ionization 6.5
Number of isotopes 103
Electronic configuration [Rn] 5f12 7s2
Oxidation states 2,3
Electron by energy level 2,8,18,32,30,8,2