U
Uranium is a Actinides element with the symbol U and atomic number 92. Located in period 7 (f-block), it has an atomic weight of 238.03 u and is classified as a solid at standard temperature and pressure. First identified in 1789 by Martin Heinrich Klaproth in Germany. Uranium has an electron configuration of [Rn] 5f³ 6d¹ 7s² with 7 electron shells containing 2, 8, 18, 32, 21, 9, 2 electrons respectively. It is commonly used in: nuclear power, weapons, glass coloring, armor plating.
铀是一种锕系元素元素,符号为U,原子序数为92。位于第7周期(f区),原子量为238.03 u,在标准温度和压力下为固体。于1789 年首次被确认,由Martin Heinrich Klaproth发现。铀的电子排布为[Rn] 5f³ 6d¹ 7s²,具有7个电子层,分别含有2、8、18、32、21、9、2个电子。常见用途包括:核能,武器,玻璃着色,装甲板。
Basic Properties基本属性
- Atomic Number原子序数
- 92
- Atomic Weight原子量
- 238.03 u
- Category分类
- Actinides锕系元素
- State at STP标准状态
- Solid固体
- Period周期
- 7
- Group族
- —
- Block区
- f-blockf区
Physical Properties物理性质
- Melting Point熔点
- +1135°C
- Boiling Point沸点
- +4131°C
- Density密度
- 18.95 g/cm³
- Crystal Structure晶体结构
- Orthorhombic正交晶系
- Atomic Radius原子半径
- 175 pm
- Ionic Radius离子半径
- 73 pm
- Electronegativity电负性
- 1.38
Electron Configuration电子排布
- Config电子构型
- [Rn] 5f³ 6d¹ 7s²
- Shells电子层
- 2, 8, 18, 32, 21, 9, 2
- Oxidation States氧化态
- +3, +4, +5, +6
Electron Shells电子层结构
Discovery发现历史
- Year年份
- 17891789 年
- Discoverer发现者
- Martin Heinrich Klaproth
- Country国家
- Germany德国
Uses & Applications用途
Nuclear power, weapons, glass coloring, armor plating
核能,武器,玻璃着色,装甲板
Common Compounds常见化合物
—
—
Room Temperature常温特性
silvery gray
银灰色
Did You Know? 你知道吗?
The name Uranium comes from U and it was first identified in 1789.
铀的名称来源于其符号U,于1789年首次被确认。
Memory Aid记忆口诀
The nuclear age element
核能时代的主角
Appearance外观
silvery gray
银灰色
Safety Information安全须知
- Radioactive — handle only in licensed facilities with proper shielding.
- 放射性元素——仅在持证设施中并使用适当防护的情况下处理。