# Fermium ## 🧊 Fermium · 3D (three.js) <iframe src="https://wikitube-elements.netlify.app/?el=Fm&embed=1" width="100%" height="620" frameborder="0" style="border:0;border-radius:12px;overflow:hidden" allowfullscreen loading="lazy" title="The Elements 3D microsim - Fermium"></iframe> *Fermium in the live three.js Elements explorer — drag to orbit the atom, click any tile to compare, slide the temperature.* · [▶ open full](https://wikitube-elements.netlify.app/?el=Fm) <!-- ELEMENTS_MICROSIM:END --> !Fermium plate.svg *Plate 100 of 118 - animated Bohr shells, stylized per Madelung filling; engraving style per house Arcanity kit.* ## Microsim To Do *Claimable rows, house pattern. Real Wikipedia articles only.* - Thermonuclear weapon - hydrogen bomb synthesis of transuranium elements - Nuclear fallout - fermium detected in weapon-test debris - Chicago Pile-1 - Fermi's first nuclear reactor, precursor to weapons - Transuranic isotope - fermium isotopes and rapid radioactive decay ## Links (Wikipedia order) <!-- injected from _registry/childlinks/Fermium.json (2026-07-30T02:09:12Z) --> `Acid_dissociation_constant` · `Actinide` · [[Actinium]] · `Albert_Ghiorso` · `Alkali_metal` · `Alkaline_earth_metal` · [[Alpha_decay]] · [[Aluminium]] · [[Americium]] · [[Antimony]] · [[Argon]] · [[Arsenic]] · [[Astatine]] · `Atomic_number` · [[Barium]] · `Becquerel` · `Berkeley,_California` · [[Berkelium]] · [[Beryllium]] · [[Beta_decay]] · [[Bismuth]] · `Block_(periodic_table)` · [[Bohrium]] · [[Boron]] · `Boron_group` · [[Bromine]] · `Brookhaven_National_Laboratory` · `CAS_Registry_Number` · [[Cadmium]] · [[Caesium]] · [[Calcium]] · [[Californium]] · [[Carbon]] · `Carbon_group` · [[Cerium]] · `Chalcogen` · `Chemical_symbol` · `Chloride` · [[Chlorine]] · [[Chromium]] · [[Cobalt]] · [[Cold_War]] · [[Copernicium]] · [[Copper]] · [[Crystal_structure]] · [[Cubic_crystal_system]] · [[Curium]] · `Darleane_C._Hoffman` · [[Darmstadtium]] · [[Decay_product]] · [[Density]] · [[Dubnium]] · [[Dysprosium]] · `Effective_nuclear_charge` · [[Einsteinium]] · `Electrode_potential` · `Electron_capture` · `Electron_configuration` · `Electronegativity` · `Electronvolt` · `Elution` · `Enewetak_Atoll` · `Enrico_Fermi` · `Enthalpy_of_sublimation` · [[Erbium]] · [[Europium]] · [[Fermion]] · [[Flerovium]] · [[Fluorine]] · `Fractional_crystallization_(chemistry)` · [[Francium]] · [[Gadolinium]] · [[Gallium]] · [[Germanium]] · `Glenn_T._Seaborg` · [[Gold]] · `Group_(periodic_table)` · `Group_10_element` · `Group_11_element` · `Group_12_element` · `Group_3_element` · `Group_4_element` · `Group_5_element` · `Group_6_element` · `Group_7_element` · `Group_8_element` · `Group_9_element` · `HSAB_theory` · [[Hafnium]] · [[Half-life]] · `Halogen` · [[Hassium]] · [[Helium]] · `High_Flux_Isotope_Reactor` · [[Holmium]] · `Hour` · `Hydration_number` · [[Hydrogen]] · [[Indium]] · `International_Commission_on_Radiological_Protection` · [[Iodine]] · [[Ionization_energy]] · [[Iridium]] · [[Iron]] · `Isotope` · `Isotopes_of_fermium` · `Ivy_Mike` · `Kelvin` · [[Krypton]] · `Lanthanide` · [[Lanthanum]] · `Lawrence_Berkeley_National_Laboratory` · [[Lawrencium]] · [[Lead]] · `List_of_chemical_element_name_etymologies` · `List_of_data_references_for_chemical_elements` · [[Lithium]] · [[Livermorium]] · [[Lutetium]] · [[Magnesium]] · [[Manganese]] · `Mass_number` · [[Meitnerium]] · `Melting_point` · [[Mendelevium]] · [[Mercury_(element)]] · `Minute` · [[Molybdenum]] · [[Moscovium]] · `National_Nuclear_Data_Center` · `Natural_abundance` · `Natural_nuclear_fission_reactor` · [[Neodymium]] · [[Neon]] · [[Neptunium]] · [[Neutron]] · `Neutron_capture` · [[Nickel]] · [[Nihonium]] · [[Niobium]] · `Nitrate` · [[Nitrogen]] · [[Nobelium]] · [[Noble_gas]] · `Norman_Greenwood` · `Nuclear_physics` · `Nuclide` · `Oak_Ridge_National_Laboratory` · [[Oganesson]] · `Oklo` · `Operation_Mandrel` · [[Osmium]] · `Oxidation_state` · [[Oxygen]] · [[Palladium]] · `Pergamon_Press` · `Period_(periodic_table)` · `Period_1_element` · `Period_2_element` · `Period_3_element` · `Period_4_element` · `Period_5_element` · `Period_6_element` · `Period_7_element` · `Periodic_table` · `Phase_(matter)` · [[Phosphorus]] · [[Platinum]] · [[Plutonium]] · `Plutonium-239` · `Plutonium-244` · `Pnictogen` · `Polarography` · [[Polonium]] · [[Potassium]] · [[Praseodymium]] · `Primordial_nuclide` · [[Promethium]] · [[Protactinium]] · `R-process` · [[Radioactive_decay]] · [[Radium]] · [[Radon]] · [[Rhenium]] · [[Rhodium]] · `Robert_Guillaumont` · [[Roentgenium]] · `Room_temperature` · [[Rubidium]] · [[Ruthenium]] · [[Rutherfordium]] · [[Samarium]] · `Samarium(II)_chloride` · [[Scandium]] · [[Seaborgium]] · [[Selenium]] · [[Silicon]] · [[Silver]] · [[Sodium]] · [[Spontaneous_fission]] · `Standard_hydrogen_electrode` · `Standard_temperature_and_pressure` · [[Strontium]] · [[Sulfur]] · `Synthetic_element` · `Synthetic_radioisotope` · `TNT_equivalent` · [[Tantalum]] · [[Technetium]] · [[Tellurium]] · `Tennessee` · [[Tennessine]] · [[Terbium]] · [[Thallium]] · [[Thorium]] · [[Thulium]] · `Timeline_of_chemical_element_discoveries` · [[Tin]] · [[Titanium]] · [[Tungsten]] · [[Uranium]] · `Uranium-238` · [[Vanadium]] · [[Wayback_Machine]] · `World_Scientific` · [[Xenon]] · [[Ytterbium]] · [[Yttrium]] · [[Zinc]] · [[Zirconium]] > **Official MAIN - Chemical element, Z = 100.** Part of the Elements Canon (one canonical page per element). Infobox grounded in [Wikipedia: List of chemical elements](https://en.wikipedia.org/wiki/List_of_chemical_elements), fetched 2026-07-08. Full article: [Wikipedia: Fermium](https://en.wikipedia.org/wiki/Fermium). <!-- ELEMENTS_MICROSIM:BEGIN (auto-managed block - edits inside will be overwritten) --> ## Key facts (infobox) | | | |---|---| | Symbol - Z | Fm - 100 | | Group - Period - Block | f - 7 - f-block | | Atomic weight (Da) | [257] | | Density (g/cm3) | (9.7) | | Melting - Boiling (K) | (1125) - - | | Electronegativity (Pauling) | 1.3 | | Crustal abundance (mg/kg) | - | | Origin | synthetic | | Phase (STP) | unknown | | Name origin | Enrico Fermi | *Bracketed weights are the mass number of the most stable isotope; values in parentheses are predictions (per the source table).* ## Story Fermium was discovered in 1952, also in the debris of the Ivy Mike hydrogen bomb test on Enewetak Atoll, alongside einsteinium. Glenn T. Seaborg and his collaborators identified it in fallout samples. The element was named in honor of Enrico Fermi, the Italian physicist whose work on nuclear reactions and the first artificial nuclear reactor (Chicago Pile-1) was foundational to nuclear science. Fermium-257, the longest-lived isotope, has a half-life of about 100.5 days. [model-prior - verify] Fermium is an ultra-rare synthetic actinide element with no stable isotopes. It is produced only in tiny quantities in nuclear reactors or thermonuclear detonations. Fermium is extremely radioactive and toxic; all its isotopes decay rapidly. The element has no practical applications whatsoever, and only a few nanograms are typically available worldwide at any given time. Its study remains confined to specialized nuclear laboratories. In the canon, fermium marks the endpoint of the practical transuranium frontier and honors Fermi, the architect of the nuclear age. It symbolizes the extreme costs and exotic byproducts of thermonuclear warfare and the quest to extend the periodic table to its furthest reaches. ## Corpus connections Fermium was created in thermonuclear fire and discovered in fallout from the first hydrogen bomb test. It honors Enrico Fermi, whose nuclear reactor theories made the bomb possible, and marks the extreme frontier of the periodic table. - R.E.A.C.T.I.O.N. - the Chemistry hub - Centers of Excellence Portal - [[Technetium|Technetium - the element made before found]] - the canon's patron - and Technitium, the School - [Enrico Fermi](https://en.wikipedia.org/wiki/Enrico_Fermi) - nuclear physicist and architect of the atomic age - [Thermonuclear weapon](https://en.wikipedia.org/wiki/Thermonuclear_weapon) - fusion bomb creation of heaviest elements ## Vocational-Technical Semiotics The element speaks the canon's shared signs: the periodic table cell (Fm, group f, period 7), isotope notation, and hazard pictograms ghs where handling demands it. ## Sources Infobox: [en.wikipedia.org/wiki/List_of_chemical_elements](https://en.wikipedia.org/wiki/List_of_chemical_elements) (fetched 2026-07-08); etymology per the same table's notes. Story sources to be added at enrichment. ## Navigation - Canon: Elements Canon index - neighbors by Z: [[Einsteinium|Einsteinium (99)]] - [[Mendelevium|Mendelevium (101)]] - R.E.A.C.T.I.O.N. - Centers of Excellence ## Wikipedia : Wikitube **Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Fermium) : [Wikitube](https://en.wikitube.io/wiki/Fermium) ## Previous hub tags Tree parents: [[Helium]] · [[Hydrogen]] · [[Oxygen]]. Legacy hubs: none. --- *Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*