Palladium is a Transition Metals element with the symbol Pd and atomic number 46. Located in period 5, group 10 (d-block), it has an atomic weight of 106.42 u and is classified as a solid at standard temperature and pressure. First identified in 1803 by William Hyde Wollaston in England. Palladium has an electron configuration of [Kr] 4d¹⁰ with 4 electron shells containing 2, 8, 18, 18 electrons respectively. It is commonly used in: catalytic converters, hydrogen storage, jewelry.

钯是一种过渡金属元素,符号为Pd,原子序数为46。位于第5周期,第10族(d区),原子量为106.42 u,在标准温度和压力下为固体。于1803 年首次被确认,由William Hyde Wollaston发现。钯的电子排布为[Kr] 4d¹⁰,具有4个电子层,分别含有2、8、18、18个电子。常见用途包括:催化转换器,储氢,珠宝。

Basic Properties基本属性

Atomic Number原子序数
46
Atomic Weight原子量
106.42 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
10
Block区
d-blockd区

Physical Properties物理性质

Melting Point熔点
+1554.9°C
Boiling Point沸点
+2963°C
Density密度
12.02 g/cm³
Crystal Structure晶体结构
Face-Centered Cubic (FCC)面心立方
Atomic Radius原子半径
169 pm
Ionic Radius离子半径
64 pm
Electronegativity电负性
2.2

Electron Configuration电子排布

Config电子构型
[Kr] 4d¹⁰
Shells电子层
2, 8, 18, 18
Oxidation States氧化态
+2, +4

Electron Shells电子层结构

2e⁻
8e⁻
18e⁻
18e⁻

Discovery发现历史

Year年份
18031803 年
Discoverer发现者
William Hyde Wollaston
Country国家
England英国

Uses & Applications用途

Catalytic converters, hydrogen storage, jewelry

催化转换器,储氢,珠宝

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 Palladium comes from Pd and it was first identified in 1803.

钯的名称来源于其符号Pd,于1803年首次被确认。

Memory Aid记忆口诀

Absorbs hydrogen like a sponge

能吸收大量氢气

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)。

Related Elements (Same Group 10)相关元素(同第10族)

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Compare Elements元素对比

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