Sn
Tin is a Post-Transition element with the symbol Sn and atomic number 50. Located in period 5, group 14 (p-block), it has an atomic weight of 118.71 u and is classified as a solid at standard temperature and pressure. Known since ancient by Known to ancients. Tin has an electron configuration of [Kr] 4d¹⁰ 5s² 5p² with 5 electron shells containing 2, 8, 18, 18, 4 electrons respectively. It is commonly used in: tin cans, solder, bronze alloy, glass coating.
锡是一种后过渡金属元素，符号为Sn，原子序数为50。位于第5周期，第14族（p区），原子量为118.71 u，在标准温度和压力下为固体。自古以来即为人类所知，由Known to ancients发现。锡的电子排布为[Kr] 4d¹⁰ 5s² 5p²，具有5个电子层，分别含有2、8、18、18、4个电子。常见用途包括：锡罐，焊料，青铜合金，玻璃涂层。
Basic Properties基本属性
- Atomic Number原子序数
- 50
- Atomic Weight原子量
- 118.71 u
- Category分类
- Post-Transition后过渡金属
- State at STP标准状态
- Solid固体
- Period周期
- 5
- Group族
- 14
- Block区
- p-blockp区
Physical Properties物理性质
- Melting Point熔点
- +231.93°C
- Boiling Point沸点
- +2602°C
- Density密度
- 7.29 g/cm³
- Crystal Structure晶体结构
- Tetragonal四方晶系
- Atomic Radius原子半径
- 145 pm
- Ionic Radius离子半径
- 69 pm
- Electronegativity电负性
- 1.96
Electron Configuration电子排布
- Config电子构型
- [Kr] 4d¹⁰ 5s² 5p²
- Shells电子层
- 2, 8, 18, 18, 4
- Oxidation States氧化态
- +2, +4
Electron Shells电子层结构
Discovery发现历史
- Year年份
- Ancient古代
- Discoverer发现者
- Known to ancients
- Country国家
- ——
Uses & Applications用途
Tin cans, solder, bronze alloy, glass coating
锡罐，焊料，青铜合金，玻璃涂层
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 Tin comes from Sn and it was known since ancient times.
锡的名称来源于其符号Sn，自古以来即为人类所知。
Memory Aid记忆口诀
Used since the Bronze Age
青铜时代的金属
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）。