Zn
Zinc is a Transition Metals element with the symbol Zn and atomic number 30. Located in period 4, group 12 (d-block), it has an atomic weight of 65.38 u and is classified as a solid at standard temperature and pressure. First identified in 1746 by Andreas Sigismund Marggraf in Germany. Zinc has an electron configuration of [Ar] 3d¹⁰ 4s² with 4 electron shells containing 2, 8, 18, 2 electrons respectively. It is commonly used in: galvanization, batteries, sunscreen, brass alloy.
锌是一种过渡金属元素,符号为Zn,原子序数为30。位于第4周期,第12族(d区),原子量为65.38 u,在标准温度和压力下为固体。于1746 年首次被确认,由Andreas Sigismund Marggraf发现。锌的电子排布为[Ar] 3d¹⁰ 4s²,具有4个电子层,分别含有2、8、18、2个电子。常见用途包括:镀锌,电池,防晒霜,黄铜合金。
Basic Properties基本属性
- Atomic Number原子序数
- 30
- Atomic Weight原子量
- 65.38 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族
- 12
- Block区
- d-blockd区
Physical Properties物理性质
- Melting Point熔点
- +419.53°C
- Boiling Point沸点
- +907°C
- Density密度
- 7.13 g/cm³
- Crystal Structure晶体结构
- Hexagonal Close-Packed (HCP)六方密堆积
- Atomic Radius原子半径
- 142 pm
- Ionic Radius离子半径
- 74 pm
- Electronegativity电负性
- 1.65
Electron Configuration电子排布
- Config电子构型
- [Ar] 3d¹⁰ 4s²
- Shells电子层
- 2, 8, 18, 2
- Oxidation States氧化态
- +2
Electron Shells电子层结构
Discovery发现历史
- Year年份
- 17461746 年
- Discoverer发现者
- Andreas Sigismund Marggraf
- Country国家
- Germany德国
Uses & Applications用途
Galvanization, batteries, sunscreen, brass alloy
镀锌,电池,防晒霜,黄铜合金
Common Compounds常见化合物
—
—
Room Temperature常温特性
bluish-silver
蓝银色
Did You Know? 你知道吗?
The name Zinc comes from Zn and it was first identified in 1746.
锌的名称来源于其符号Zn,于1746年首次被确认。
Memory Aid记忆口诀
Protects iron from rust
镀锌防锈
Appearance外观
bluish-silver
蓝银色
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)。