14Si
类金属
硅 Si
Silicon
物态与数值
- 物态
- 固态
- 周期／族
- 3／14
- 相对原子质量
- 28.085 （不是质量数）
- 原始密度
- 2.329 g/cm3
- 归一化密度
- 2.329 g/cm³
- 来源熔点字段
- 1687.0 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
- 3538.0 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。
Silicon is a chemical element with symbol Si and atomic number 14. It is a tetravalent metalloid, more reactive than germanium, the metalloid directly below it in the table. Controversy about silicon's character dates to its discovery.
出处、中文名称与原始字段
- 来源位置
- multisubject/elements/raw/PeriodicTableJSON.json#/elements/13
- 原记录摘要
- 05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
- boil
- 3538
- melt
- 1687
- name
- Silicon
- xpos
- 14
- ypos
- 3
- block
- p
- group
- 14
- image
- {'url': 'https://upload.wikimedia.org/wikipedia/commons/2/2c/Silicon.jpg', 'title': 'Chunk of Ultrapure Silicon, 2 x 2 cm', 'attribution': 'Jurii, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/silicon.php'}
- phase
- Solid
- wxpos
- 28
- wypos
- 3
- number
- 14
- period
- 3
- shells
- [2, 8, 4]
- source
- https://en.wikipedia.org/wiki/Silicon
- symbol
- Si
- cpk-hex
- f0c8a0
- density
- 2.329
- summary
- Silicon is a chemical element with symbol Si and atomic number 14. It is a tetravalent metalloid, more reactive than germanium, the metalloid directly below it in the table. Controversy about silicon's character dates to its discovery.
- category
- metalloid
- named_by
- Thomas Thomson (chemist)
- appearance
- crystalline, reflective with bluish-tinged faces
- molar_heat
- 19.789
- atomic_mass
- 28.085
- atomic_radii
- {'metallic': None, 'empirical': [110], 'calculated': [111], 'van_der_waals': [210], 'covalent_single': [116], 'covalent_triple': [102]}
- density_unit
- g/cm3
- spectral_img
- https://en.wikipedia.org/wiki/File:Silicon_Spectra.jpg
- bohr_model_3d
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_014_silicon/element_014_silicon.glb
- density_g_cm3
- 2.329
- discovered_by
- Jöns Jacob Berzelius
- bohr_model_image
- https://storage.googleapis.com/search-ar-edu/periodic-table/element_014_silicon/element_014_silicon_srp_th.png
- electron_affinity
- 134.0684
- ionization_energies
- [786.5, 1577.1, 3231.6, 4355.5, 16091, 19805, 23780, 29287, 33878, 38726, 45962, 50502, 235196, 257923]
- electron_configuration
- 1s2 2s2 2p6 3s2 3p2
- electronegativity_pauling
- 1.9
- electron_configuration_semantic
- [Ne] 3s2 3p2