Unbiquadium (Ubq)
Superactinide标准原子量
暂无电子排布
[Og] 5g⁴ 8s²熔点
暂无沸点
暂无密度
暂无氧化态
暂无电负性（鲍林）
暂无第一电离能
暂无发现年份
暂无原子半径
暂无Unbiquadium is the temporary systematic name for the undiscovered element with atomic number 124. It would be a superheavy element beyond the known periodic table and is treated entirely as a predicted nuclide family, not as an isolated material. Nuclear models place possible longer-lived isotopes near the proposed island of stability, but no isotope of element 124 has been confirmed experimentally.
This element has not been synthesized or experimentally confirmed. All listed physicochemical properties are calculated, extrapolated, or model-dependent.
No macroscopic sample of unbiquadium exists, and even individual atoms have not been confirmed. Its color, density, melting point, and other bulk properties are therefore unknown; published values, where given, are theoretical predictions only.
Unbiquadium has no commercial, medical, industrial, or routine laboratory use. A confirmed isotope would be useful only for basic research in nuclear structure, superheavy-element synthesis, and tests of relativistic electronic-structure theory. Any such work would involve atom-at-a-time production and detection rather than handling of a usable elemental material.
No compounds of unbiquadium have been prepared or observed. Its chemistry is therefore computational and uncertain, especially because relativistic effects are expected to influence the ordering and participation of 8s, 8p, 7d, and 5g electrons. Model studies may discuss possible oxidation states and bonding to fluoride or oxide ligands, but specific stoichiometries and chemical stability have not been experimentally established.
The safety properties of unbiquadium are not known from direct handling. Any isotope that might be produced would be radioactive and would likely decay by alpha emission, spontaneous fission, or related nuclear processes, depending on the isotope. In practice the principal hazards would come from accelerator operations, radioactive targets, activation products, and decay radiation rather than from chemical toxicity of bulk unbiquadium.
Unbiquadium has no confirmed natural occurrence and no known environmental cycle. If atoms were produced in a laboratory, they would be formed in extremely small numbers and would decay before ordinary transport, deposition, or bioaccumulation could be observed. Environmental behavior such as solubility, speciation, and sorption is therefore unknown.
Unbiquadium has no commodity market, no practical supply chain, and no recoverable source. Possible production would require heavy-ion fusion experiments using rare, highly radioactive actinide targets and intense accelerator beams, followed by decay-chain identification of single atoms. Such experiments are limited by target availability, beam time, small reaction cross sections, and difficult background rejection, not by conventional mining or refining economics.
No unbiquadium has been detected in nature or in extraterrestrial material. If nuclei with atomic number 124 are ever formed in extreme nucleosynthetic events, they are expected to be rare and unstable on cosmic timescales unless an unusually long-lived isotope exists. Its cosmic abundance is therefore presumed negligible.
- Unbiquadium is a placeholder IUPAC systematic name, not a discovery claim.
- No isotope of element 124 has been accepted as synthesized.
- Predictions for its chemistry are especially sensitive to relativistic electron effects.
- A single confirmed decay chain could be scientifically important even without a visible sample.
- Element 124 is often discussed in relation to the proposed superheavy island of stability.
图片
性质
物理性质
暂无
化学性质
- 电子亲和能
- 0.4 eV
- 电子排布
- [Og] 5g⁴ 8s²
热力学性质
暂无
核性质
- 质子
- 124 比较所有元素的质子 →
- 已知同位素
- 0 比较所有元素的已知同位素 →
- 稳定同位素
- 0 比较所有元素的稳定同位素 →
- 天然存在形式
- 未观测到
丰度
暂无
安全
- 放射性
- 是
晶体结构
暂无
电子结构
- 各电子层电子数
- 2, 8, 18, 32, 36, 18, 8, 2 比较所有元素的各电子层电子数 →
标识符
- CAS登记号
- 54576-75-9 比较所有元素的CAS登记号 →
电子排布 预测值
——暂无该离子的电子排布数据。
原子模型
不同同位素的中子数、质量和稳定性不同，但中性原子的电子排布不变。
暂无
原子模型示意图，未按比例绘制。
原子指纹
发射 / 吸收光谱
同位素分布
无稳定同位素。
| 质量数 | 原子质量（u） | 天然丰度 | 半衰期 |
|---|
物相 / 状态
暂无物相/状态数据
暂无
暂无物相/状态数据