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1H

双原子非金属

氢 H

Hydrogen

物态与数值

物态
气态
周期/族
1/1
相对原子质量
1.008 (不是质量数)
原始密度
0.08988 g/L
归一化密度
0.00008988 g/cm³
来源熔点字段
13.99 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
20.271 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。

Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic weight of 1.00794 u, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.

出处、中文名称与原始字段

中文名核对:中国化学会元素周期表

来源位置
multisubject/elements/raw/PeriodicTableJSON.json#/elements/0
原记录摘要
05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
boil
20.271
melt
13.99
name
Hydrogen
xpos
1
ypos
1
block
s
group
1
image
{'url': 'https://upload.wikimedia.org/wikipedia/commons/d/d9/Hydrogenglow.jpg', 'title': 'Vial of glowing ultrapure hydrogen, H2. Original size in cm: 1 x 5', 'attribution': 'User:Jurii, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/hydrogen.php'}
phase
Gas
wxpos
1
wypos
1
number
1
period
1
shells
[1]
source
https://en.wikipedia.org/wiki/Hydrogen
symbol
H
cpk-hex
ffffff
density
0.08988
summary
Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic weight of 1.00794 u, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.
category
diatomic nonmetal
named_by
Antoine Lavoisier
appearance
colorless gas
molar_heat
28.836
atomic_mass
1.008
atomic_radii
{'metallic': None, 'empirical': [25], 'calculated': [53], 'van_der_waals': [120, 110], 'covalent_single': [32], 'covalent_triple': None}
density_unit
g/L
spectral_img
https://en.wikipedia.org/wiki/File:Hydrogen_Spectra.jpg
bohr_model_3d
https://storage.googleapis.com/search-ar-edu/periodic-table/element_001_hydrogen/element_001_hydrogen.glb
density_g_cm3
0.00008988
discovered_by
Henry Cavendish
bohr_model_image
https://storage.googleapis.com/search-ar-edu/periodic-table/element_001_hydrogen/element_001_hydrogen_srp_th.png
electron_affinity
72.769
ionization_energies
[1312]
electron_configuration
1s1
electronegativity_pauling
2.2
electron_configuration_semantic
1s1