4Be
碱土金属
铍 Be
Beryllium
物态与数值
- 物态
- 固态
- 周期／族
- 2／2
- 相对原子质量
- 9.01218315 （不是质量数）
- 原始密度
- 1.85 g/cm3
- 归一化密度
- 1.85 g/cm³
- 来源熔点字段
- 1560.0 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
- 2742.0 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。
Beryllium is a chemical element with symbol Be and atomic number 4. It is created through stellar nucleosynthesis and is a relatively rare element in the universe. It is a divalent element which occurs naturally only in combination with other elements in minerals.
出处、中文名称与原始字段
- 来源位置
- multisubject/elements/raw/PeriodicTableJSON.json#/elements/3
- 原记录摘要
- 05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
- boil
- 2742
- melt
- 1560
- name
- Beryllium
- xpos
- 2
- ypos
- 2
- block
- s
- group
- 2
- image
- {'url': 'https://upload.wikimedia.org/wikipedia/commons/e/e2/Beryllium_%28Be%29.jpg', 'title': 'Pure Beryllium bead, 2.5 grams. Original size in cm: 1 x 1.5', 'attribution': 'Hi-Res Images ofChemical Elements, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/beryllium.php'}
- phase
- Solid
- wxpos
- 2
- wypos
- 2
- number
- 4
- period
- 2
- shells
- [2, 2]
- source
- https://en.wikipedia.org/wiki/Beryllium
- symbol
- Be
- cpk-hex
- c2ff00
- density
- 1.85
- summary
- Beryllium is a chemical element with symbol Be and atomic number 4. It is created through stellar nucleosynthesis and is a relatively rare element in the universe. It is a divalent element which occurs naturally only in combination with other elements in minerals.
- category
- alkaline earth metal
- named_by
- 未知
- appearance
- white-gray metallic
- molar_heat
- 16.443
- atomic_mass
- 9.01218315
- atomic_radii
- {'metallic': [112], 'empirical': [105], 'calculated': [112], 'van_der_waals': [153], 'covalent_single': [102], 'covalent_triple': [85]}
- density_unit
- g/cm3
- spectral_img
- 未知
- bohr_model_3d
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_004_beryllium/element_004_beryllium.glb
- density_g_cm3
- 1.85
- discovered_by
- Louis Nicolas Vauquelin
- bohr_model_image
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_004_beryllium/element_004_beryllium_srp_th.png
- electron_affinity
- -48
- ionization_energies
- [899.5, 1757.1, 14848.7, 21006.6]
- electron_configuration
- 1s2 2s2
- electronegativity_pauling
- 1.57
- electron_configuration_semantic
- [He] 2s2