Hassium - Wikiparency

# Hassium ## 🧊 Hassium · 3D (three.js) <iframe src="https://wikitube-elements.netlify.app/?el=Hs&embed=1" width="100%" height="620" frameborder="0" style="border:0;border-radius:12px;overflow:hidden" allowfullscreen loading="lazy" title="The Elements 3D microsim - Hassium"></iframe> *Hassium 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=Hs)  !Hassium plate.svg *Plate 108 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.* - Lead-208 - stable target nucleus for Hassium synthesis - Iron-58 - accelerated projectile creating Hassium - Nuclear decay - the only known phenomenon of Hassium - Superheavy element - the frontier category that includes Hassium and beyond ## Links (Wikipedia order)  `Aaldert_Wapstra` · [[Actinium]] · `Adhesion` · `Adsorption` · `Albert_Ghiorso` · `Alkali_metal` · `Alkaline_earth_metal` · [[Alpha_decay]] · [[Aluminium]] · `American_Chemical_Society` · [[Americium]] · [[Antimony]] · [[Argon]] · [[Arsenic]] · [[Astatine]] · `Atomic_nucleus` · `Atomic_number` · `Atomic_orbital` · `Atomic_radius` · `Australian_National_University` · `Auvergne-Rhône-Alpes` · `Azimuthal_quantum_number` · [[Barium]] · `Barn_(unit)` · `Bavaria` · [[Berkelium]] · [[Beryllium]] · [[Beta_decay]] · [[Bismuth]] · `Block_(periodic_table)` · `Bloomberg_Businessweek` · [[Bohrium]] · [[Boron]] · `Boron_group` · `Breit_equation` · [[Bromine]] · `Bulk_modulus` · `Butterworth-Heinemann` · `CAS_Registry_Number` · [[Cadmium]] · [[Caesium]] · [[Calcium]] · `Calcium-48` · [[Californium]] · [[Carbon]] · `Carbon_group` · [[Cerium]] · `Chalcogen` · `Chemical_&_Engineering_News` · `Chemical_Society_Reviews` · `Chemical_compound` · [[Chemical_element]] · `Chemical_symbol` · [[Chemistry]] · `Chemistry_World` · [[Chlorine]] · [[Chromium]] · `Close-packing_of_equal_spheres` · `Coat_of_arms` · [[Cobalt]] · `Commission_on_Isotopic_Abundances_and_Atomic_Weights` · `Confidence_interval` · `Congener_(chemistry)` · [[Copernicium]] · [[Copper]] · `Cosmic_ray` · `Cosmos_(Australian_magazine)` · [[Coulomb's_law]] · `Covalent_radius` · `Cross_section_(physics)` · [[Crystal_structure]] · [[Curium]] · `Cyclopentadienyl` · `Czech_Technical_University_in_Prague` · `Darleane_C._Hoffman` · `Darmstadt` · [[Darmstadtium]] · `Decay_energy` · [[Decay_product]] · [[Density]] · `Deposition_(chemistry)` · `Diamond` · `Dubna` · [[Dubnium]] · [[Dysprosium]] · [[Einsteinium]] · `Electric_field` · `Electromagnetic_field` · [[Electron]] · `Electron_affinity` · `Electron_configuration` · `Electronvolt` · `Enthalpy` · [[Erbium]] · `Eric_Scerri` · [[Europium]] · `Even_and_odd_atomic_nuclei` · `Excited_state` · [[Fermium]] · `Ferrate` · `Ferrocene` · `Fission_barrier` · [[Flerovium]] · [[Fluorine]] · [[Francium]] · `GSI_Helmholtz_Centre_for_Heavy_Ion_Research` · [[Gadolinium]] · [[Gallium]] · `Gamma_ray` · `Georgy_Flerov` · [[Germanium]] · `Glenn_T._Seaborg` · [[Gold]] · `Gottfried_Münzenberg` · `Greenland_ice_sheet` · `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` · `Gulf_of_Finland` · [[Hafnium]] · [[Half-life]] · `Halogen` · `Hassium_tetroxide` · `Helge_Kragh` · [[Helium]] · `Hesse` · [[Holmium]] · `Homologous_series` · `Hugh_Aldersey-Williams` · [[Hydrogen]] · `Hydroxide` · `IUPAC/IUPAP_Joint_Working_Party` · `IUPAC_nomenclature_of_inorganic_chemistry` · [[Indium]] · `International_Union_of_Pure_and_Applied_Chemistry` · `International_Union_of_Pure_and_Applied_Physics` · [[Iodine]] · [[Ionization_energy]] · [[Iridium]] · `Iridium_tetroxide` · [[Iron]] · `Island_of_stability` · `Isobar_(nuclide)` · `Isotope` · `Isotopes_of_hassium` · `Joint_Institute_for_Nuclear_Research` · `Journal_of_Physics:_Conference_Series` · `Kazakh_Soviet_Socialist_Republic` · `Kinetic_energy` · `Klondike_Gold_Rush` · [[Krypton]] · `Lanthanide_contraction` · [[Lanthanum]] · `Latin` · `Lawrence_Berkeley_National_Laboratory` · `Lawrence_Livermore_National_Laboratory` · [[Lawrencium]] · [[Lead]] · `Lise_Meitner` · `List_of_chemical_element_name_etymologies` · `List_of_data_references_for_chemical_elements` · [[Lithium]] · [[Livermorium]] · [[Lutetium]] · `Magic_number_(physics)` · [[Magnesium]] · `Magnetic_dipole` · `Magnetic_field` · [[Manganese]] · `Mass` · `Mass_excess` · `Mass_in_special_relativity` · `Mass_number` · `Matrix_isolation` · [[Meitnerium]] · `Mendeleev's_predicted_elements` · [[Mendelevium]] · [[Mercury_(element)]] · `Metallocene` · `Microsecond` · `Milky_Way` · `Molar_ionization_energies_of_the_elements` · `Molybdenite` · [[Molybdenum]] · `Momentum` · [[Moscovium]] · `Moscow_Oblast` · `Natural_abundance` · `Nature_(journal)` · `Nauka_(publisher)` · `Nauka_i_Zhizn` · [[Neodymium]] · [[Neon]] · [[Neptunium]] · [[Neutron]] · `Neutron_number` · [[Nickel]] · [[Nihonium]] · [[Niobium]] · `Nitric_acid` · [[Nitrogen]] · [[Nobelium]] · [[Noble_gas]] · `Noble_metal` · `Norman_Greenwood` · `Nuclear_binding_energy` · `Nuclear_fission` · [[Nuclear_fusion]] · `Nuclear_isomer` · `Nuclear_physics` · `Nuclear_reaction` · `Nuclear_shell_model` · `Nucleon` · [[Oganesson]] · [[Osmium]] · `Osmium_tetroxide` · `Osmocene` · `Otto_Hahn` · `Oxford_University_Press` · `Oxidation_state` · `Oxide` · `Oxyanion` · [[Oxygen]] · `Pacific_Ocean` · [[Palladium]] · `Particle_accelerator` · `Particle_beam` · `Pascal_(unit)` · `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` · `Peter_Armbruster` · `Phase_(matter)` · [[Phosphorus]] · `Physica_Scripta` · `Physical_Review_A` · `Physical_Review_B` · `Physics_Today` · `Physics_World` · `Picometre` · `Placeholder_name` · [[Platinum]] · [[Plutonium]] · `Plutonium-239` · `Pnictogen` · [[Polonium]] · [[Potassium]] · [[Praseodymium]] · [[Promethium]] · [[Protactinium]] · [[Proton]] · `Pure_and_Applied_Chemistry` · `Quadrupole_magnet` · `Quantum_tunnelling` · `Quartz` · [[Radioactive_decay]] · [[Radium]] · [[Radon]] · `Rectangular_potential_barrier` · `Relativistic_quantum_chemistry` · [[Rhenium]] · [[Rhodium]] · [[Roentgenium]] · `Room_temperature` · `Royal_Society_of_Chemistry` · [[Rubidium]] · [[Ruthenium]] · `Ruthenium_tetroxide` · [[Rutherfordium]] · `Saitama_Prefecture` · `Samanth_Subramanian` · [[Samarium]] · `Sanskrit` · [[Scandium]] · `Scientific_American` · [[Seaborgium]] · [[Selenium]] · `Semiconductor_detector` · [[Silicon]] · `Silicon_dioxide` · `Silicon_nitride` · `Silk_Road` · [[Silver]] · [[Sodium]] · `Sodium_hydroxide` · `Solar_System` · `Soviet_Union` · `Speed_of_light` · [[Spin_(physics)]] · `Spin_quantum_number` · `Spin–orbit_interaction` · [[Spontaneous_fission]] · `Springer_Science+Business_Media` · `Standard_deviation` · `Standard_temperature_and_pressure` · `States_of_Germany` · `Stockholm` · `Stockholm_County` · `Strong_interaction` · [[Strontium]] · [[Sulfur]] · `Superheavy_element` · `Surface_science` · `Sweden` · `Synthetic_element` · `Synthetic_radioisotope` · `Systematic_element_name` · [[Tantalum]] · [[Technetium]] · [[Tellurium]] · [[Tennessine]] · [[Terbium]] · `Tetrahedral_molecular_geometry` · [[Thallium]] · `The_Conversation_(website)` · `The_Journal_of_Physical_Chemistry_B` · [[Thorium]] · [[Thulium]] · `Time-of-flight_mass_spectrometry` · `Timeline_of_chemical_element_discoveries` · [[Tin]] · [[Titanium]] · `Total_angular_momentum_quantum_number` · `Trace_radioisotope` · `Transfermium_Wars` · `Transition_metal` · [[Tungsten]] · `Unbinilium` · `University_of_Mainz` · `University_of_North_Texas` · `University_of_Western_Ontario` · `Université_libre_de_Bruxelles` · [[Uranium]] · `Uranium-235` · [[Vanadium]] · `Volatility_(chemistry)` · `Weak_interaction` · `West_Germany` · `World_Scientific` · [[Xenon]] · [[Ytterbium]] · [[Yttrium]] · `Yuri_Oganessian` · [[Zinc]] · [[Zirconium]] > **Official MAIN - Chemical element, Z = 108.** 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: Hassium](https://en.wikipedia.org/wiki/Hassium).  ## Key facts (infobox) | | | |---|---| | Symbol - Z | Hs - 108 | | Group - Period - Block | 8 - 7 - d-block | | Atomic weight (Da) | [271] | | Density (g/cm3) | (27-29) | | Melting - Boiling (K) | - - - | | Electronegativity (Pauling) | - | | Crustal abundance (mg/kg) | - | | Origin | synthetic | | Phase (STP) | unknown | | Name origin | Neo-Latin Hassia, 'Hesse', Germany | *Bracketed weights are the mass number of the most stable isotope; values in parentheses are predictions (per the source table).* ## Story Hassium was first synthesized in 1984 at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt, Germany, through the bombardment of lead-208 with iron-58 ions. The element is named for Hesse, the German state where it was discovered—like Dubnium, it honors a geographic region rather than a person, acknowledging the place where the frontier of human-made elements continued to expand. Hs-271 has a half-life of approximately 9 seconds [model-prior - verify], among the shortest lived elements, existing only long enough to register in nuclear detectors. Hassium occupies group 8, in the realm where relativistic quantum mechanics completely dominates over classical periodic chemistry. Its structure and behavior are almost entirely unknown and predicted only through quantum calculations [model-prior - verify]. The element exemplifies the synthetic frontier: nuclei so unstable and so heavy that they are known only as fleeting nuclear events. Like Dubnium, Hassium honors a place—Hesse and the GSI laboratory where the international hunt for superheavy elements continued. It marks the moment when element discovery became geographically centered in Europe's accelerator facilities, where the Soviet and Western synthesis programs converged in shared scientific infrastructure. ## Corpus connections - 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 - [Hesse](https://en.wikipedia.org/wiki/Hesse) - German state home to GSI Darmstadt, where Hassium was discovered ## Vocational-Technical Semiotics The element speaks the canon's shared signs: the periodic table cell (Hs, group 8, 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: [[Bohrium|Bohrium (107)]] - [[Meitnerium|Meitnerium (109)]] - R.E.A.C.T.I.O.N. - Centers of Excellence ## Wikipedia : Wikitube **Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Hassium) : [Wikitube](https://en.wikitube.io/wiki/Hassium) ## Previous hub tags Tree parents: [[Helium]] · [[Hydrogen]] · [[Oxygen]]. Legacy hubs: none. --- *Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*