Template:Infobox fermium

From blackwiki
Jump to navigation Jump to search

[[Category:Template:Pagetype with short description]]

Fermium, 100Fm
Fermium
Pronunciation/ˈfɜːrmiəm/ (Template:Respell)
Mass number[257]
Fermium in the periodic table
Template:Periodic table (32 columns, micro) Er

Fm

(Upq)
einsteiniumfermiummendelevium
Atomic number (Z)100
Groupn/a
Periodperiod 7
Block  f-block
Electron configuration[Rn] 5f12 7s2
Electrons per shell2, 8, 18, 32, 30, 8, 2
Physical properties
Phase at STPsolid (predicted)
Melting point1800 K ​(1527 °C, ​2781 °F) (predicted)
Density (near r.t.)9.7(1) g/cm3 (predicted)[1]
Atomic properties
Oxidation states+2, +3
ElectronegativityPauling scale: 1.3
Ionization energies
  • 1st: 629 kJ/mol
  • [2]
Other properties
Natural occurrencesynthetic
Crystal structureface-centered cubic (fcc)
Face-centered cubic crystal structure for fermium

(predicted)[1]
CAS Number7440-72-4
History
Namingafter Enrico Fermi
DiscoveryLawrence Berkeley National Laboratory (1952)
Main isotopes of fermium
[[Isotope|IsoTemplate:Shytope]] [[Natural abundance|AbunTemplate:Shydance]] Half-life (t1/2) Decay mode [[Decay product|ProTemplate:Shyduct]]
252Fm syn 25.39 h SF
α 248Cf
253Fm syn 3 d ε 253Es
α 249Cf
255Fm syn 20.07 h SF
α 251Cf
257Fm syn 100.5 d α 253Cf
SF
Category Category: Fermium
| references

[[Category:Infobox templates|Template:Remove first word]]

data m.p. cat
in calc from C diff report ref
C 1527
K 1800 1800 0
F 2781 2781 0 Template:Subpage other
max precision 0
WD Template:Wikidata Script error: No such module "EditAtWikidata". Template:Wikidata
input C: 1527, K: 1800, F: 2781
comment (predicted)

Check temperatures Fm: no input for C, K, F.

Es ←

i'box Es

iso
100
Fm (E)
→ Md

i'box Md

  Data sets read by {{Infobox element}}
Name and identifiers
Top image (caption, alt)
Pronunciation
Category (enwiki)
Standard atomic weight
  most stable isotope
Natural occurrence
Phase at STP
Oxidation states
Spectral lines image
Electron configuration (cmt, ref)
Term symbol * (cmt, ref)
Wikidata *
* Not used in {{Infobox element}} (2019-02-03)
See also {{Infobox element/symbol-to--navbox}}

References

  1. 1.0 1.1 Fournier, Jean-Marc (1976). "Bonding and the electronic structure of the actinide metals". Journal of Physics and Chemistry of Solids. 37 (2): 235–244. Bibcode:1976JPCS...37..235F. doi:10.1016/0022-3697(76)90167-0.
  2. https://pubs.acs.org/doi/10.1021/jacs.8b09068

Lua error: Internal error: The interpreter has terminated with signal "24".