Ru
Ruthenium is a Transition Metals element with the symbol Ru and atomic number 44. Located in period 5, group 8 (d-block), it has an atomic weight of 101.07 u and is classified as a solid at standard temperature and pressure. First identified in 1844 by Karl Ernst Claus in Russia. Ruthenium has an electron configuration of [Kr] 4d⁷ 5s¹ with 5 electron shells containing 2, 8, 18, 15, 1 electrons respectively. It is commonly used in: electronics, catalysts, hard disk drives.
钌是一种过渡金属元素,符号为Ru,原子序数为44。位于第5周期,第8族(d区),原子量为101.07 u,在标准温度和压力下为固体。于1844 年首次被确认,由Karl Ernst Claus发现。钌的电子排布为[Kr] 4d⁷ 5s¹,具有5个电子层,分别含有2、8、18、15、1个电子。常见用途包括:电子,催化剂,硬盘驱动器。
Basic Properties基本属性
- Atomic Number原子序数
- 44
- Atomic Weight原子量
- 101.07 u
- Category分类
- Transition Metals过渡金属
- State at STP标准状态
- Solid固体
- Period周期
- 5
- Group族
- 8
- Block区
- d-blockd区
Physical Properties物理性质
- Melting Point熔点
- +2334°C
- Boiling Point沸点
- +4150°C
- Density密度
- 12.37 g/cm³
- Crystal Structure晶体结构
- Hexagonal Close-Packed (HCP)六方密堆积
- Atomic Radius原子半径
- 178 pm
- Ionic Radius离子半径
- 62 pm
- Electronegativity电负性
- 2.2
Electron Configuration电子排布
- Config电子构型
- [Kr] 4d⁷ 5s¹
- Shells电子层
- 2, 8, 18, 15, 1
- Oxidation States氧化态
- +2, +3, +4, +6, +8
Electron Shells电子层结构
Discovery发现历史
- Year年份
- 18441844 年
- Discoverer发现者
- Karl Ernst Claus
- Country国家
- Russia俄罗斯
Uses & Applications用途
Electronics, catalysts, hard disk drives
电子,催化剂,硬盘驱动器
Common Compounds常见化合物
—
—
Room Temperature常温特性
silvery white
银白色
Did You Know? 你知道吗?
The name Ruthenium comes from Ru and it was first identified in 1844.
钌的名称来源于其符号Ru,于1844年首次被确认。
Memory Aid记忆口诀
Rare platinum group metal
硬盘驱动器的关键
Appearance外观
silvery white
银白色
Safety Information安全须知
- Handle with standard laboratory precautions. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
- 按照标准实验室预防措施处理。详细操作说明请参阅安全数据表(SDS)。