Ytterbium is a Lanthanides element with the symbol Yb and atomic number 70. Located in period 6 (f-block), it has an atomic weight of 173.05 u and is classified as a solid at standard temperature and pressure. First identified in 1878 by Jean Charles Galissard de Marignac in Switzerland. Ytterbium has an electron configuration of [Xe] 4f¹⁴ 6s² with 6 electron shells containing 2, 8, 18, 32, 8, 2 electrons respectively. It is commonly used in: atomic clocks, stress gauges, lasers.

镱是一种镧系元素元素,符号为Yb,原子序数为70。位于第6周期(f区),原子量为173.05 u,在标准温度和压力下为固体。于1878 年首次被确认,由Jean Charles Galissard de Marignac发现。镱的电子排布为[Xe] 4f¹⁴ 6s²,具有6个电子层,分别含有2、8、18、32、8、2个电子。常见用途包括:原子钟,应力计,激光。

Basic Properties基本属性

Atomic Number原子序数
70
Atomic Weight原子量
173.05 u
Category分类
Lanthanides镧系元素
State at STP标准状态
Solid固体
Period周期
6
Group
Block
f-blockf区

Physical Properties物理性质

Melting Point熔点
+819°C
Boiling Point沸点
+1196°C
Density密度
6.96 g/cm³
Crystal Structure晶体结构
Face-Centered Cubic (FCC)面心立方
Atomic Radius原子半径
176 pm
Ionic Radius离子半径
87 pm
Electronegativity电负性
1.1

Electron Configuration电子排布

Config电子构型
[Xe] 4f¹⁴ 6s²
Shells电子层
2, 8, 18, 32, 8, 2
Oxidation States氧化态
+2, +3

Electron Shells电子层结构

2e⁻
8e⁻
18e⁻
32e⁻
8e⁻
2e⁻

Discovery发现历史

Year年份
18781878 年
Discoverer发现者
Jean Charles Galissard de Marignac
Country国家
Switzerland瑞士

Uses & Applications用途

Atomic clocks, stress gauges, lasers

原子钟,应力计,激光

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 Ytterbium comes from Yb and it was first identified in 1878.

镱的名称来源于其符号Yb,于1878年首次被确认。

Memory Aid记忆口诀

The most accurate atomic clocks

最精确的原子钟

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)。
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