Unbinilium (Ubn)
Superactinideप्रमाणित अणुभार
उपलब्ध नाहीइलेक्ट्रॉन संरूपण
[Og] 8s²द्रवणांक
उपलब्ध नाहीउत्कलनांक
उपलब्ध नाहीघनता
उपलब्ध नाहीऑक्सिडीकरण अवस्था
++2, ++4विद्युतऋणता (पॉलिंग)
उपलब्ध नाहीआयनीकरण ऊर्जा (पहिली)
563.3 eVशोधाचे वर्ष
उपलब्ध नाहीअणुत्रिज्या
उपलब्ध नाहीUnbinilium is the temporary systematic name for element 120, an undiscovered superheavy element. It is expected to lie below radium in group 2 and is often described as eka-radium, but all chemical and physical properties remain predicted. Relativistic effects should be large and may make its bonding and reactivity depart from simple alkaline-earth trends. No confirmed isotope, natural occurrence, or macroscopic sample is known.
This element has not been synthesized or experimentally confirmed. All listed physicochemical properties are calculated, extrapolated, or model-dependent.
The appearance of unbinilium is unknown because no atoms have been confirmed and no bulk sample exists. If a sufficiently long-lived bulk material could be made, it is predicted to be a metal, but its color, density, crystal structure, melting point, and other ordinary properties are unobserved.
Unbinilium has no confirmed commercial, industrial, medical, or technological use. Its only foreseeable use would be in basic nuclear and chemical research, especially studies of superheavy-element synthesis, decay chains, nuclear shell effects, and relativistic chemistry. Any experiments would involve single atoms or very small numbers of atoms, not usable quantities of material.
No compound of unbinilium has been made or observed. Calculations generally predict a dominant +2 oxidation state, analogous to heavier alkaline-earth chemistry, with possible species such as unbinilium fluoride (UbnF₂), unbinilium chloride (UbnCl₂), unbinilium oxide (UbnO), and unbinilium hydride (UbnH₂). The stability, volatility, and bonding of these compounds are uncertain because relativistic effects and nuclear lifetimes would strongly constrain experiments.
The safety properties of unbinilium are not experimentally known. Any isotope, if synthesized, is expected to be radioactive and short-lived, so the principal hazard would be ionizing radiation from decay products rather than ordinary chemical exposure. The quantities involved in research would be atom-at-a-time, but accelerator targets and reaction products would require radiological controls.
No confirmed natural occurrence of unbinilium is known, and environmental behavior has not been observed. Predicted isotopes would decay far too quickly to participate in ordinary geochemical or biological cycles. If atoms were produced in a laboratory, they would remain confined to experimental apparatus and decay into lighter nuclei.
Unbinilium has no commodity market, no practical supply chain, and no recoverable source. Production, if achieved, would require heavy-ion fusion in specialized accelerators using rare actinide targets and intense projectile beams, with expected yields of at most a few atoms. Candidate reactions have involved combinations such as titanium or chromium ions with californium, curium, or plutonium targets, but no confirmed synthesis has established an isotope. Costs are therefore research-program costs, not material prices.
Unbinilium has not been detected in Earth materials or extraterrestrial samples. Very heavy nuclei may be formed transiently in extreme neutron-rich astrophysical events, but element 120 has no confirmed cosmic abundance. Predicted islands of enhanced nuclear stability are a motivation for searches, not evidence for natural persistence.
- Unbinilium is still named by the IUPAC temporary systematic naming convention.
- Element 120 would begin the eighth period in many extended periodic-table layouts.
- Its expected chemistry is influenced by the relativistic stabilization of the 8s electrons.
- A successful synthesis would probably be identified through correlated radioactive decay chains, not by weighing or isol
प्रतिमा
गुणधर्म
भौतिक
उपलब्ध नाही
रासायनिक
- इलेक्ट्रॉन आसक्ती
- 0.02 eV
- आयनीकरण ऊर्जा (पहिली)
- 563.3 eV सर्व घटकांच्या आयनीकरण ऊर्जा (पहिली) ची तुलना करा →
- ऑक्सिडीकरण अवस्था
- ++2, ++4 सर्व घटकांच्या ऑक्सिडीकरण अवस्था ची तुलना करा →
- इलेक्ट्रॉन संरूपण
- [Og] 8s²
उष्मागतिक
उपलब्ध नाही
केंद्रकीय
- प्रोटॉन
- 120 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, 32, 18, 8, 2 सर्व घटकांच्या प्रत्येक कवचातील इलेक्ट्रॉन ची तुलना करा →
ओळखचिन्हे
- CAS क्रमांक
- 54143-58-7 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