24Cr
过渡金属
铬 Cr
Chromium
物态与数值
- 物态
- 固态
- 周期／族
- 4／6
- 相对原子质量
- 51.99616 （不是质量数）
- 原始密度
- 7.19 g/cm3
- 归一化密度
- 7.19 g/cm³
- 来源熔点字段
- 2180.0 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
- 2944.0 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。
Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point.
出处、中文名称与原始字段
- 来源位置
- multisubject/elements/raw/PeriodicTableJSON.json#/elements/23
- 原记录摘要
- 05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
- boil
- 2944
- melt
- 2180
- name
- Chromium
- xpos
- 6
- ypos
- 4
- block
- d
- group
- 6
- image
- {'url': 'https://upload.wikimedia.org/wikipedia/commons/a/a1/Chromium.jpg', 'title': 'Piece of Chromium Metal', 'attribution': 'Jurii, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/chromium.php'}
- phase
- Solid
- wxpos
- 20
- wypos
- 4
- number
- 24
- period
- 4
- shells
- [2, 8, 13, 1]
- source
- https://en.wikipedia.org/wiki/Chromium
- symbol
- Cr
- cpk-hex
- 8a99c7
- density
- 7.19
- summary
- Chromium is a chemical element with symbol Cr and atomic number 24. It is the first element in Group 6. It is a steely-gray, lustrous, hard and brittle metal which takes a high polish, resists tarnishing, and has a high melting point.
- category
- transition metal
- named_by
- 未知
- appearance
- silvery metallic
- molar_heat
- 23.35
- atomic_mass
- 51.99616
- atomic_radii
- {'metallic': [128], 'empirical': [140], 'calculated': [166], 'van_der_waals': None, 'covalent_single': [122], 'covalent_triple': [103]}
- density_unit
- g/cm3
- spectral_img
- 未知
- bohr_model_3d
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_024_chromium/element_024_chromium.glb
- density_g_cm3
- 7.19
- discovered_by
- Louis Nicolas Vauquelin
- bohr_model_image
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_024_chromium/element_024_chromium_srp_th.png
- electron_affinity
- 65.21
- ionization_energies
- [652.9, 1590.6, 2987, 4743, 6702, 8744.9, 15455, 17820, 20190, 23580, 26130, 28750, 34230, 37066, 97510, 105800, 114300, 125300, 134700, 144300, 157700, 166090, 721870, 761733]
- electron_configuration
- 1s2 2s2 2p6 3s2 3p6 4s1 3d5
- electronegativity_pauling
- 1.66
- electron_configuration_semantic
- [Ar] 3d5 4s1