Copernicium - Wikiparency

# Copernicium ## 🧊 Copernicium · 3D (three.js) <iframe src="https://wikitube-elements.netlify.app/?el=Cn&embed=1" width="100%" height="620" frameborder="0" style="border:0;border-radius:12px;overflow:hidden" allowfullscreen loading="lazy" title="The Elements 3D microsim - Copernicium"></iframe> *Copernicium 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=Cn)  !Copernicium plate.svg *Plate 112 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.* - [[Mercury_(element)|Mercury]] - the element Copernicium is predicted to diverge from despite group 12 membership - Zinc-70 - projectile nucleus in Copernicium synthesis - Lead-208 - target nucleus for Copernicium creation - Relativistic quantum mechanics - essential for understanding superheavy electron behavior ## Links (Wikipedia order)  `Aaldert_Wapstra` · [[Actinium]] · `Adsorption` · `Albert_Ghiorso` · `Alkali_metal` · `Alkaline_earth_metal` · [[Alpha_decay]] · [[Aluminium]] · [[Americium]] · `Angewandte_Chemie` · [[Antimony]] · `Aqueous_solution` · `Archcathedral_Basilica_of_the_Assumption_of_the_Blessed_Virgin_Mary_and_St._Andrew,_Frombork` · [[Argon]] · [[Arsenic]] · [[Astatine]] · `Astronomer_Copernicus,_or_Conversations_with_God` · `Astronomers_Monument` · `Atomic_nucleus` · `Atomic_number` · `Atomic_radius` · `Aufbau_principle` · `Australian_National_University` · `BBC_News` · `Band_gap` · [[Barium]] · [[Berkelium]] · [[Beryllium]] · 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**Official MAIN - Chemical element, Z = 112.** 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: Copernicium](https://en.wikipedia.org/wiki/Copernicium).  ## Key facts (infobox) | | | |---|---| | Symbol - Z | Cn - 112 | | Group - Period - Block | 12 - 7 - d-block | | Atomic weight (Da) | [285] | | Density (g/cm3) | (14.0) | | Melting - Boiling (K) | (283) - (340) | | Electronegativity (Pauling) | - | | Crustal abundance (mg/kg) | - | | Origin | synthetic | | Phase (STP) | unknown | | Name origin | Nicolaus Copernicus | *Bracketed weights are the mass number of the most stable isotope; values in parentheses are predictions (per the source table).* ## Story Copernicium was first synthesized in 1996 at the GSI Helmholtz Centre for Heavy Ion Research in Darmstadt, Germany, through the bombardment of zinc-70 with lead-208 ions. The element is named for Nicolaus Copernicus, the Renaissance astronomer and mathematician who displaced Earth from the center of the cosmos—a gesture profound for the periodic table's synthetic frontier, where the canon's heroes are inscribed in the order of matter itself. Cn-285 has a half-life of approximately 29 seconds [model-prior - verify], one of the longer-lived superheavy elements. Copernicium occupies group 12, where it would nominally be expected to mimic mercury—itself a liquid metal at room temperature. Predictions suggest Copernicium may not form stable molecules and could be a noble gas-like element due to relativistic stabilization of its 7s electrons [model-prior - verify], a radical departure from mercury's behavior. Its chemistry remains entirely theoretical; observation is limited to nuclear properties. The naming invokes the heliocentric revolution—not for nuclear physics directly, but for the spirit of paradigm-shifting vision. Copernicus displaced Earth; Technetium and its successors displaced chemistry itself, revealing the natural elements as byproducts of larger nuclear forces. The synthetic periodic table is a new cosmos, and Copernicium honors the man who first demonstrated that the center moves. ## 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 - [Nicolaus Copernicus](https://en.wikipedia.org/wiki/Copernicus) - astronomer who placed the sun at the center of the cosmos ## Vocational-Technical Semiotics The element speaks the canon's shared signs: the periodic table cell (Cn, group 12, 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: [[Roentgenium|Roentgenium (111)]] - [[Nihonium|Nihonium (113)]] - R.E.A.C.T.I.O.N. - Centers of Excellence ## Wikipedia : Wikitube **Strict pair:** [Wikipedia](https://en.wikipedia.org/wiki/Copernicium) : [Wikitube](https://en.wikitube.io/wiki/Copernicium) ## Previous hub tags Tree parents: [[Helium]] · [[Hydrogen]] · [[Oxygen]]. Legacy hubs: none. --- *Sources: 1 legacy note. Minted wave 1, 2026-07-30 (v1.6 order).*