Titanium is a Transition Metals element with the symbol Ti and atomic number 22. Located in period 4, group 4 (d-block), it has an atomic weight of 47.867 u and is classified as a solid at standard temperature and pressure. First identified in 1791 by William Gregor in England. Titanium has an electron configuration of [Ar] 3d² 4s² with 4 electron shells containing 2, 8, 10, 2 electrons respectively. It is commonly used in: aircraft, implants, jewelry, golf clubs, paint pigment.

钛是一种过渡金属元素,符号为Ti,原子序数为22。位于第4周期,第4族(d区),原子量为47.867 u,在标准温度和压力下为固体。于1791 年首次被确认,由William Gregor发现。钛的电子排布为[Ar] 3d² 4s²,具有4个电子层,分别含有2、8、10、2个电子。常见用途包括:飞机,植入物,珠宝,高尔夫球杆,油漆颜料。

Basic Properties基本属性

Atomic Number原子序数
22
Atomic Weight原子量
47.867 u
Category分类
Transition Metals过渡金属
State at STP标准状态
Solid固体
Period周期
4
Group
4
Block
d-blockd区

Physical Properties物理性质

Melting Point熔点
+1668°C
Boiling Point沸点
+3287°C
Density密度
4.54 g/cm³
Crystal Structure晶体结构
Hexagonal Close-Packed (HCP)六方密堆积
Atomic Radius原子半径
176 pm
Ionic Radius离子半径
61 pm
Electronegativity电负性
1.54

Electron Configuration电子排布

Config电子构型
[Ar] 3d² 4s²
Shells电子层
2, 8, 10, 2
Oxidation States氧化态
+2, +3, +4

Electron Shells电子层结构

2e⁻
8e⁻
10e⁻
2e⁻

Discovery发现历史

Year年份
17911791 年
Discoverer发现者
William Gregor
Country国家
England英国

Uses & Applications用途

Aircraft, implants, jewelry, golf clubs, paint pigment

飞机,植入物,珠宝,高尔夫球杆,油漆颜料

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 Titanium comes from Ti and it was first identified in 1791.

钛的名称来源于其符号Ti,于1791年首次被确认。

Memory Aid记忆口诀

Strong as titanium

钛合金坚不可摧

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 4)相关元素(同第4族)

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Compare Elements元素对比

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