Unbinilium (Ubn)
Superactinideमानक परमाणु भार
उपलब्ध नहींइलेक्ट्रॉन विन्यास
[Og] 8s²गलनांक
उपलब्ध नहींक्वथनांक
उपलब्ध नहींघनत्व
उपलब्ध नहींऑक्सीकरण अवस्थाएँ
++2, ++4विद्युतऋणात्मकता (पॉलिंग)
उपलब्ध नहींआयनन ऊर्जा (प्रथम)
563.3 eVखोज का वर्ष
उपलब्ध नहींपरमाणु त्रिज्या
उपलब्ध नहींUnbinilium 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
चित्र
गुण
भौतिक
उपलब्ध नहीं
रासायनिक
- इलेक्ट्रॉन बंधुता
- 0.02 eV
- आयनन ऊर्जा (प्रथम)
- 563.3 eV सभी तत्वों की आयनन ऊर्जा (प्रथम) की तुलना करें →
- ऑक्सीकरण अवस्थाएँ
- ++2, ++4 सभी तत्वों की ऑक्सीकरण अवस्थाएँ की तुलना करें →
- इलेक्ट्रॉन विन्यास
- [Og] 8s²
ऊष्मागतिक
उपलब्ध नहीं
नाभिकीय
- प्रोटॉन
- 120 सभी तत्वों की प्रोटॉन की तुलना करें →
- ज्ञात समस्थानिक
- 0 सभी तत्वों की ज्ञात समस्थानिक की तुलना करें →
- स्थिर समस्थानिक
- 0 सभी तत्वों की स्थिर समस्थानिक की तुलना करें →
- प्राकृतिक उपलब्धता
- प्रेक्षित नहीं
प्रचुरता
उपलब्ध नहीं
सुरक्षा
- रेडियोधर्मी
- हाँ
क्रिस्टल संरचना
उपलब्ध नहीं
इलेक्ट्रॉनिक संरचना
- प्रति कोश इलेक्ट्रॉन
- 2, 8, 18, 32, 32, 18, 8, 2 सभी तत्वों की प्रति कोश इलेक्ट्रॉन की तुलना करें →
पहचानकर्ता
- CAS संख्या
- 54143-58-7 सभी तत्वों की CAS संख्या की तुलना करें →
इलेक्ट्रॉन विन्यास पूर्वानुमानित
——इस आयन के लिए इलेक्ट्रॉन विन्यास का डेटा उपलब्ध नहीं है।
परमाणु मॉडल
समस्थानिक न्यूट्रॉन की संख्या, द्रव्यमान और स्थिरता बदलते हैं — उदासीन परमाणु का इलेक्ट्रॉन विन्यास नहीं।
उपलब्ध नहीं
सांकेतिक परमाणु मॉडल, वास्तविक अनुपात में नहीं।
परमाणु पहचान-चिह्न
उत्सर्जन / अवशोषण स्पेक्ट्रम
समस्थानिक वितरण
कोई स्थिर समस्थानिक नहीं है।
| द्रव्यमान संख्या | परमाणु द्रव्यमान (u) | प्राकृतिक प्रचुरता | अर्धायु |
|---|
प्रावस्था / अवस्था
प्रावस्था/अवस्था का डेटा उपलब्ध नहीं है
उपलब्ध नहीं
प्रावस्था/अवस्था का डेटा उपलब्ध नहीं है