W
Tungsten is a Transition Metals element with the symbol W and atomic number 74. Located in period 6, group 6 (d-block), it has an atomic weight of 183.84 u and is classified as a solid at standard temperature and pressure. First identified in 1783 by Juan Jose Elhuyar in Spain. Tungsten has an electron configuration of [Xe] 4f¹⁴ 5d⁴ 6s² with 6 electron shells containing 2, 8, 18, 32, 12, 2 electrons respectively. It is commonly used in: light bulb filaments, cutting tools, armor piercing.
钨是一种过渡金属元素,符号为W,原子序数为74。位于第6周期,第6族(d区),原子量为183.84 u,在标准温度和压力下为固体。于1783 年首次被确认,由Juan Jose Elhuyar发现。钨的电子排布为[Xe] 4f¹⁴ 5d⁴ 6s²,具有6个电子层,分别含有2、8、18、32、12、2个电子。常见用途包括:灯泡灯丝,切割工具,穿甲弹。
Basic Properties基本属性
- Atomic Number原子序数
- 74
- Atomic Weight原子量
- 183.84 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
- 6
- Block区
- d-blockd区
Physical Properties物理性质
- Melting Point熔点
- +3422°C
- Boiling Point沸点
- +5555°C
- Density密度
- 19.25 g/cm³
- Crystal Structure晶体结构
- Body-Centered Cubic (BCC)体心立方
- Atomic Radius原子半径
- 193 pm
- Ionic Radius离子半径
- 60 pm
- Electronegativity电负性
- 2.36
Electron Configuration电子排布
- Config电子构型
- [Xe] 4f¹⁴ 5d⁴ 6s²
- Shells电子层
- 2, 8, 18, 32, 12, 2
- Oxidation States氧化态
- +2, +3, +4, +5, +6
Electron Shells电子层结构
Discovery发现历史
- Year年份
- 17831783 年
- Discoverer发现者
- Juan Jose Elhuyar
- Country国家
- Spain西班牙
Uses & Applications用途
Light bulb filaments, cutting tools, armor piercing
灯泡灯丝,切割工具,穿甲弹
Common Compounds常见化合物
—
—
Room Temperature常温特性
grayish-white
灰白色
Did You Know? 你知道吗?
The name Tungsten comes from W and it was first identified in 1783.
钨的名称来源于其符号W,于1783年首次被确认。
Memory Aid记忆口诀
Highest melting point of all metals
熔点最高的金属
Appearance外观
grayish-white
灰白色
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)。