73Ta
过渡金属
钽 Ta
Tantalum
物态与数值
- 物态
- 固态
- 周期／族
- 6／5
- 相对原子质量
- 180.947882 （不是质量数）
- 原始密度
- 16.69 g/cm3
- 归一化密度
- 16.69 g/cm³
- 来源熔点字段
- 3290.0 K（部分来源实际为三相点，教学前需核对条件）
- 来源沸点字段
- 5731.0 K
部分超重元素属性为预测值，不能当作已审实验值。氢原始气体密度单位与归一化单位不同，均保留展示。
英文来源解释
中文翻译待补。
Tantalum is a chemical element with symbol Ta and atomic number 73. Previously known as tantalium, its name comes from Tantalus, an antihero from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant.
出处、中文名称与原始字段
- 来源位置
- multisubject/elements/raw/PeriodicTableJSON.json#/elements/72
- 原记录摘要
- 05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
- boil
- 5731
- melt
- 3290
- name
- Tantalum
- xpos
- 5
- ypos
- 6
- block
- d
- group
- 5
- image
- {'url': 'https://upload.wikimedia.org/wikipedia/commons/6/61/Tantalum.jpg', 'title': 'Piece of tantalum, 1 cm in size', 'attribution': 'Jurii, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/tantalum.php'}
- phase
- Solid
- wxpos
- 19
- wypos
- 6
- number
- 73
- period
- 6
- shells
- [2, 8, 18, 32, 11, 2]
- source
- https://en.wikipedia.org/wiki/Tantalum
- symbol
- Ta
- cpk-hex
- 4da6ff
- density
- 16.69
- summary
- Tantalum is a chemical element with symbol Ta and atomic number 73. Previously known as tantalium, its name comes from Tantalus, an antihero from Greek mythology. Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant.
- category
- transition metal
- named_by
- 未知
- appearance
- gray blue
- molar_heat
- 25.36
- atomic_mass
- 180.947882
- atomic_radii
- {'metallic': [146], 'empirical': [145], 'calculated': [200], 'van_der_waals': None, 'covalent_single': [146], 'covalent_triple': [119]}
- density_unit
- g/cm3
- spectral_img
- https://en.wikipedia.org/wiki/File:Tantalum_spectrum_visible.png
- bohr_model_3d
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_073_tantalum/element_073_tantalum.glb
- density_g_cm3
- 16.69
- discovered_by
- Anders Gustaf Ekeberg
- bohr_model_image
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_073_tantalum/element_073_tantalum_srp_th.png
- electron_affinity
- 31
- ionization_energies
- [761, 1500]
- electron_configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d3
- electronegativity_pauling
- 1.5
- electron_configuration_semantic
- [Xe] 4f14 5d3 6s2