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Azurium is a hypothetical element with symbol Azu and atomic number 763. It is named after VestaServal's old account. Like all elements after lead (excluding anomalies), azurium has no stable isotopes. Its most stable is 1912Azu.
Atomic properties[]
Isotopes[]
Unlike nearly every other element heavier than lead, azurium has multiple stable or near-stable isotopes, though it is unsure whether it is an anomaly or a sub-anomaly due to azurium-1912's extremely long half-life. The longest-lived isotope is 1912Azu with an extremely long half-life of 1.00 x 1024 years, followed by 1914Azu at 3.20 x 1012 years and 1910Azu at 1.08 x 1010 years. It is predicted to split into two smaller nuclei by cluster decay:
- 1912
763Azu → 1810
717Tel + 102
46Pd + γ
2612Azu is anomalously stable despite being extremely far from the rest of azurium's stable isotopes in terms of atomic weight, with a half-life of 1.60 x 109 years.
Meta-states[]
Chemical properties and compounds[]
Azurium is a moderately reactive metal that easily forms chemical compounds. Its most common states of oxidation are +2, +4, +5, +6 and +9, though it has been proven to exist in +11 and +13, and even +15 and +17 due to relativistic orbital splitting.
Chalcides[]
Oxides[]
Azurium oxidizes in air to form azurium(IV) oxide (AzuO2) which exhibits the rutile crystal structure. It further oxidizes under moderate heat to form reddish water-soluble azurium(VI) oxide (AzuO3), which in turn is hydrated to form azuric acid (H2AzuO4), or burns to form diazurium nonoxide (Azu2O9), a mildly oxidizing purple crystal. Under heavily oxidizing conditions, azurium forms a volatile, dense hexoxide (AzuO6)2 which is a metallic molecular liquid under ambient conditions. In even more extreme conditions, azurium forms a dense, red, explosive sedecoxide (AzuO8)2O.
Other[]
Azurium forms a rutile-structured disulfide (AzuS2) when immersed in liquid sulfur. The heat of the reaction tends to turn this into a black polymeric trisulfide (AzuS3).
Halides[]
Fluorides[]
Azurium burns on contact with fluorine to form a hexafluoride (AzuF6) which rapidly evaporates due to the heat of the reaction, giving the appearance of brownish smoke. Some of this may be further oxidized to the nonafluoride (AzuF9), a stable, yellowish solid, or undecafluoride (AzuF11), a dense reddish liquid that is the primary component of fluoroazuric acid ([AzuF12]-[H2F]+).
Chlorides[]
On exposure to chlorine gas, azurium forms a stable, light-chartreuse tetrachloride (AzuCl4). It can hydrolyze under oxidizing conditions to form azuryl chloride (AzuO2Cl2), a neurotoxic and lachrymatory brownish liquid, or azurium oxytetrachloride (AzuOCl4), a volatile light-green-uvsilver solid that melts into a viscous, NyQuil-like liquid. Also like NyQuil, elevated exposure can lead to toxicological conditions - azurium oxytetrachloride attacks the lungs, liver and digestive tract, in addition to temporarily discoloring tissue.
Other anions[]
Tetranitroazurium is an explosive colorless liquid with a narrow liquid range.
Azurium reacts explosively with liquid hollywoodine and will rapidly and completely vaporize into a heavy, toxic, chocolate-colored tetrahollywoodide vapor the same color as hollywoodine itself.
Organic[]
Azurium can form dimethyl or tetramethyl complexes with methyl ligands to form dimethylazurium (Azu(CH3)2) or tetramethylazurium (Azu(CH3)4). It can also form a flammable hexamethylazurium (Azu(CH3)6) or a stable tetracosamethylazurium (Azu(CH3)24) which follows a 24-cellular geometry due to steric hindrance pushing 12 of the methyl groups into the fourth dimension - these groups rapidly interchange, however, so in effect all the methyl groups are equivalent.
The [Azu(CH3)8]2- anion is a rare example of a cubic molecule.
Azuroanions[]
Dodecafluoroazurate [AzuF12]- is an extremely stable ion due to its high degree of symmetry and orderly electron structure, and as such can form complexes with some metals, forming magnetic complexes when its unpaired 14s electron interacts with the cation's electron. It can also stabilize "cursed" structures such as tetraxenonogold.
Coordination complexes[]
Azu2(hpp)4 is notable for an unusual nonuple bond between its azurium centers.
Azurium can, on rare occasions, form gamma bonds between its atoms (a higher analogue to delta and phi bonds).
Alloys[]
Azurium forms a strong alloy with ambrosia. Further research is needed.
Physical properties[]
Magnetic ordering[]
From low to high temperatures, azurium exhibits the following electromagnetic states:
- Superconductivity
- Super spin liquid (involving the separation of the 11g and 15s orbitals' magnetic moments and their separate antiferro- and diamagnetic interactions, respectively, compared to normal quantum spin liquidity)
- Quantum spin liquidity
- Antiferromagnetism
- Helimagnetism
- Strange metallicity
- Ferromagnetism
- Paramagnetism
Occurrence[]
It is almost certain that azurium doesn't exist on Earth at all, but it is believed to barely exist somewhere in the universe due to its long lifetime. Every element heavier than iron can only naturally be produced by exploding stars. But it is likely impossible for even the most powerful supernovae or most violent neutron star collisions to produce this a hypothetical element with atomic number through r-process because there's not enough neutrons available or not enough energy, respectively, to produce this hyperheavy element. Instead, this a hypothetical element with atomic number can only be produced by advanced technological civilizations, virtually accounting for all of its abundance in the universe. An estimated abundance of azurium in the universe by mass is 1.0826 × 10−27, meaning roughly one atom in every octillion is azurium. This amounts to 3.62 × 1020 kilograms or about 40% more mass than Vesta's worth of azurium.
Synthesis[]
To synthesize most isotopes of azurium, nuclei of several lighter elements must be fused together, and a massive amount of neutrons must be seeded. This operation would be impossible using current technology since it requires a tremendous amount of energy, thus its cross section would be so low that it is beyond the technological limit. Even if synthesis succeeds, this resulting element would immediately undergo fission.
Imaginative applications[]
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