Unbioctium (Ubo)
Superactinideप्रमाणित अणुभार
उपलब्ध नाहीइलेक्ट्रॉन संरूपण
[Og] 5g⁸ 8s²द्रवणांक
उपलब्ध नाहीउत्कलनांक
उपलब्ध नाहीघनता
उपलब्ध नाहीऑक्सिडीकरण अवस्था
उपलब्ध नाहीविद्युतऋणता (पॉलिंग)
उपलब्ध नाहीआयनीकरण ऊर्जा (पहिली)
उपलब्ध नाहीशोधाचे वर्ष
उपलब्ध नाहीअणुत्रिज्या
उपलब्ध नाहीUnbioctium is the temporary systematic name for element 128, a predicted superheavy element that has not been synthesized or observed. It would lie in the superactinide region of extended periodic tables. Its chemical character is unknown, because relativistic effects and the close spacing of 5g, 6f, 7d, and 8p levels make simple extrapolation unreliable. Any discussion of its properties is theoretical.
This element has not been synthesized or experimentally confirmed. All listed physicochemical properties are calculated, extrapolated, or model-dependent.
No macroscopic sample of unbioctium exists, and even single atoms have not been reported. Its color, density, melting point, crystal structure, and other bulk physical properties are therefore unknown. Published descriptions of appearance would be predictions only.
Unbioctium has no confirmed practical, commercial, medical, or industrial use. If it is ever produced, the initial use would be limited to nuclear-physics research, such as identifying decay chains, measuring half-lives, and testing models of superheavy nuclear stability. Chemical study would require atom-at-a-time methods and would depend on isotopes surviving long enough for separation or gas-phase experiments.
No compound of unbioctium has been made or detected. Its possible chemistry is inferred only from electronic-structure calculations for superheavy atoms. Models generally expect positive oxidation states if chemical reactions can be observed, but the likely range is not securely established. Relativistic orbital contraction and expansion may alter trends relative to lighter actinides and transactinides, so predicted fluorides, oxides, or coordination species should be treated as hypothetical rather than characterized substances.
The safety properties of unbioctium are not experimentally known. Any isotope that could be produced would almost certainly be radioactive and made in extremely small numbers of atoms. The practical hazard in a synthesis experiment would come mainly from accelerator operations, target materials, recoil separators, and decay radiation from short-lived products. Chemical toxicity cannot be assessed from observation.
There is no confirmed natural occurrence of unbioctium and no evidence for an environmental cycle. Any atoms produced in a laboratory would decay before they could disperse as a persistent contaminant. Environmental behavior such as solubility, adsorption, bioaccumulation, or mobility is therefore unmeasured and can only be modeled from uncertain chemical analogies.
Unbioctium has no commodity market, no recoverable source, and no supply chain. Production, if achieved, would require heavy-ion fusion experiments using specialized accelerators, rare targets, and sensitive detection systems. Yields would be expected to be atom-at-a-time, not material quantities. Economic discussion is therefore limited to the cost and feasibility of research campaigns, target preparation, beam time, and detector operation rather than trade in the element itself.
Unbioctium has not been identified in nature, meteorites, stellar spectra, or cosmic-ray material. Nuclei with this charge would be far beyond the long-lived primordial nuclides known on Earth. Astrophysical nucleosynthesis might transiently pass through very heavy nuclei in extreme neutron-rich events, but survival of element 128 to observable times is unconfirmed.
- Unbioctium is a systematic placeholder name, not a discovery name.
- No isotope of element 128 has been accepted as synthesized.
- Predicted chemistry is especially uncertain because several valence shells may be close in energy.
- A nucleus with 128 protons and 184 neutrons would have mass number 312.
- Any first identification would likely rely on correlated radioactive decays, not weighing a sample.
प्रतिमा
गुणधर्म
भौतिक
उपलब्ध नाही
रासायनिक
- इलेक्ट्रॉन आसक्ती
- 0.5 eV
- इलेक्ट्रॉन संरूपण
- [Og] 5g⁸ 8s²
उष्मागतिक
उपलब्ध नाही
केंद्रकीय
- प्रोटॉन
- 128 सर्व घटकांच्या प्रोटॉन ची तुलना करा →
- ज्ञात समस्थानिके
- 0 सर्व घटकांच्या ज्ञात समस्थानिके ची तुलना करा →
- स्थिर समस्थानिके
- 0 सर्व घटकांच्या स्थिर समस्थानिके ची तुलना करा →
- नैसर्गिक आढळ
- आढळलेले नाही
विपुलता
उपलब्ध नाही
सुरक्षितता
- किरणोत्सारी
- होय
स्फटिक संरचना
उपलब्ध नाही
इलेक्ट्रॉन संरचना
- प्रत्येक कवचातील इलेक्ट्रॉन
- 2, 8, 18, 32, 40, 18, 8, 2 सर्व घटकांच्या प्रत्येक कवचातील इलेक्ट्रॉन ची तुलना करा →
ओळखचिन्हे
- CAS क्रमांक
- 54576-79-3 सर्व घटकांच्या CAS क्रमांक ची तुलना करा →
इलेक्ट्रॉन संरूपण भाकीत केलेले
——या आयनासाठी इलेक्ट्रॉन संरूपणाची माहिती उपलब्ध नाही.
अणुप्रतिमान
समस्थानिकांमुळे न्यूट्रॉन संख्या, वस्तुमान आणि स्थैर्य बदलते — विद्युतदृष्ट्या उदासीन अणूचे इलेक्ट्रॉन संरूपण बदलत नाही.
उपलब्ध नाही
योजनात्मक अणुप्रतिमान, प्रमाणानुसार नाही.
अणूची विशिष्ट ओळख
उत्सर्जन / शोषण वर्णपट
समस्थानिक वितरण
स्थिर समस्थानिके नाहीत.
| वस्तुमानांक | अणुवस्तुमान (u) | नैसर्गिक विपुलता | अर्धायुष्य |
|---|
अवस्था / स्थिती
अवस्थेविषयी माहिती उपलब्ध नाही
उपलब्ध नाही
अवस्थेविषयी माहिती उपलब्ध नाही