Ta
Tantalum is a Transition Metals element with the symbol Ta and atomic number 73. Located in period 6, group 5 (d-block), it has an atomic weight of 180.95 u and is classified as a solid at standard temperature and pressure. First identified in 1802 by Anders Gustav Ekeberg in Sweden. Tantalum has an electron configuration of [Xe] 4f¹⁴ 5d³ 6s² with 6 electron shells containing 2, 8, 18, 32, 11, 2 electrons respectively. It is commonly used in: capacitors in phones, surgical implants, alloys.
钽是一种过渡金属元素,符号为Ta,原子序数为73。位于第6周期,第5族(d区),原子量为180.95 u,在标准温度和压力下为固体。于1802 年首次被确认,由Anders Gustav Ekeberg发现。钽的电子排布为[Xe] 4f¹⁴ 5d³ 6s²,具有6个电子层,分别含有2、8、18、32、11、2个电子。常见用途包括:手机电容,外科植入物,合金。
Basic Properties基本属性
- Atomic Number原子序数
- 73
- Atomic Weight原子量
- 180.95 u
- Category分类
- Transition Metals过渡金属
- State at STP标准状态
- Solid固体
- Period周期
- 6
- Group族
- 5
- Block区
- d-blockd区
Physical Properties物理性质
- Melting Point熔点
- +3017°C
- Boiling Point沸点
- +5458°C
- Density密度
- 16.65 g/cm³
- Crystal Structure晶体结构
- Body-Centered Cubic (BCC)体心立方
- Atomic Radius原子半径
- 200 pm
- Ionic Radius离子半径
- 64 pm
- Electronegativity电负性
- 1.5
Electron Configuration电子排布
- Config电子构型
- [Xe] 4f¹⁴ 5d³ 6s²
- Shells电子层
- 2, 8, 18, 32, 11, 2
- Oxidation States氧化态
- +5
Electron Shells电子层结构
Discovery发现历史
- Year年份
- 18021802 年
- Discoverer发现者
- Anders Gustav Ekeberg
- Country国家
- Sweden瑞典
Uses & Applications用途
Capacitors in phones, surgical implants, alloys
手机电容,外科植入物,合金
Common Compounds常见化合物
—
—
Room Temperature常温特性
blue-gray
蓝灰色
Did You Know? 你知道吗?
The name Tantalum comes from Ta and it was first identified in 1802.
钽的名称来源于其符号Ta,于1802年首次被确认。
Memory Aid记忆口诀
In every smartphone capacitor
手机电容的核心
Appearance外观
blue-gray
蓝灰色
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)。