59Pr
镧系元素
镨 Pr
Praseodymium
物态与数值
- 物态
- 固态
- 周期／族
- 6／3
- 相对原子质量
- 140.907662 （不是质量数）
- 原始密度
- 6.77 g/cm3
- 归一化密度
- 6.77 g/cm³
- 来源熔点字段
- 1208.0 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
- 3403.0 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。
Praseodymium is a chemical element with symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is valued for its magnetic, electrical, chemical, and optical properties.
出处、中文名称与原始字段
- 来源位置
- multisubject/elements/raw/PeriodicTableJSON.json#/elements/58
- 原记录摘要
- 05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
- boil
- 3403
- melt
- 1208
- name
- Praseodymium
- xpos
- 5
- ypos
- 9
- block
- f
- group
- 3
- image
- {'url': 'https://upload.wikimedia.org/wikipedia/commons/c/c7/Praseodymium.jpg', 'title': '1.5 Grams Praseodymium under Argon, 0.5 cm big pieces', 'attribution': 'Jurii, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/praseodymium.php'}
- phase
- Solid
- wxpos
- 5
- wypos
- 6
- number
- 59
- period
- 6
- shells
- [2, 8, 18, 21, 8, 2]
- source
- https://en.wikipedia.org/wiki/Praseodymium
- symbol
- Pr
- cpk-hex
- d9ffc7
- density
- 6.77
- summary
- Praseodymium is a chemical element with symbol Pr and atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal in the lanthanide group. It is valued for its magnetic, electrical, chemical, and optical properties.
- category
- lanthanide
- named_by
- 未知
- appearance
- grayish white
- molar_heat
- 27.2
- atomic_mass
- 140.907662
- atomic_radii
- {'metallic': [182.4], 'empirical': [185], 'calculated': [247], 'van_der_waals': None, 'covalent_single': [176], 'covalent_triple': [128]}
- density_unit
- g/cm3
- spectral_img
- 未知
- bohr_model_3d
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_059_praseodymium/element_059_praseodymium.glb
- density_g_cm3
- 6.77
- discovered_by
- Carl Auer von Welsbach
- bohr_model_image
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_059_praseodymium/element_059_praseodymium_srp_th.png
- electron_affinity
- 93
- ionization_energies
- [527, 1020, 2086, 3761, 5551]
- electron_configuration
- 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f3
- electronegativity_pauling
- 1.13
- electron_configuration_semantic
- [Xe] 4f3 6s2