Fe
Iron is a Transition Metals element with the symbol Fe and atomic number 26. Located in period 4, group 8 (d-block), it has an atomic weight of 55.845 u and is classified as a solid at standard temperature and pressure. Known since ancient by Known to ancients. Iron has an electron configuration of [Ar] 3d⁶ 4s² with 4 electron shells containing 2, 8, 14, 2 electrons respectively. It is commonly used in: steel, construction, transport, hemoglobin in blood.
铁是一种过渡金属元素，符号为Fe，原子序数为26。位于第4周期，第8族（d区），原子量为55.845 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。铁的电子排布为[Ar] 3d⁶ 4s²，具有4个电子层，分别含有2、8、14、2个电子。常见用途包括：钢铁，建筑，运输，血液中的血红蛋白。
Basic Properties基本属性
- Atomic Number原子序数
- 26
- Atomic Weight原子量
- 55.845 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
- 8
- Block区
- d-blockd区
Physical Properties物理性质
- Melting Point熔点
- +1538°C
- Boiling Point沸点
- +2862°C
- Density密度
- 7.87 g/cm³
- Crystal Structure晶体结构
- Body-Centered Cubic (BCC)体心立方
- Atomic Radius原子半径
- 156 pm
- Ionic Radius离子半径
- 65 pm
- Electronegativity电负性
- 1.83
Electron Configuration电子排布
- Config电子构型
- [Ar] 3d⁶ 4s²
- Shells电子层
- 2, 8, 14, 2
- Oxidation States氧化态
- +2, +3
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
Steel, construction, transport, hemoglobin in blood
钢铁，建筑，运输，血液中的血红蛋白
Common Compounds常见化合物
Rust (Fe₂O₃·xH₂O), magnetite (Fe₃O₄), hematite (Fe₂O₃), steel (Fe + C), hemoglobin
铁锈(Fe₂O₃·xH₂O)、磁铁矿(Fe₃O₄)、赤铁矿(Fe₂O₃)、钢(Fe+C)、血红蛋白
Room Temperature常温特性
Grayish, lustrous metal. Magnetic. Rusts in moist air — reacts with oxygen and water to form hydrated iron oxide.
灰色有光泽金属，有磁性，在潮湿空气中生锈——与氧气和水反应形成水合氧化铁。
Did You Know? 你知道吗？
Iron is the most abundant element on Earth by mass (32.1%). The Earth's core is primarily iron and nickel. The Iron Age (1200 BC) marked a major technological revolution.
铁是地球上质量最丰富的元素(32.1%)。地核主要由铁和镍组成。铁器时代(公元前1200年)标志着重大技术革命。
Memory Aid记忆口诀
The most used metal in the world
世界上最常用的金属
Appearance外观
grayish metallic
灰色金属光泽
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）。