欢迎来到乐学堂,一起探索新知识

63Eu

镧系元素

铕 Eu

Europium

物态与数值

物态
固态
周期/族
6/3
相对原子质量
151.9641 (不是质量数)
原始密度
5.264 g/cm3
归一化密度
5.264 g/cm³
来源熔点字段
1099.0 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
1802.0 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。

Europium is a chemical element with symbol Eu and atomic number 63. It was isolated in 1901 and is named after the continent of Europe. It is a moderately hard, silvery metal which readily oxidizes in air and water.

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/62
原记录摘要
05e478cb1192c5bbfad8d9600fd3b4c7902c0966ad5d0408bfcc4d5092424c0d
boil
1802
melt
1099
name
Europium
xpos
9
ypos
9
block
f
group
3
image
{'url': 'https://upload.wikimedia.org/wikipedia/commons/6/6a/Europium.jpg', 'title': 'Weakly Oxidized Europium, hence slightly yellowish. 1.5 grams, large piece 0.6 x 1.6 cm.', 'attribution': 'Jurii, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons, source: https://images-of-elements.com/europium.php'}
phase
Solid
wxpos
9
wypos
6
number
63
period
6
shells
[2, 8, 18, 25, 8, 2]
source
https://en.wikipedia.org/wiki/Europium
symbol
Eu
cpk-hex
61ffc7
density
5.264
summary
Europium is a chemical element with symbol Eu and atomic number 63. It was isolated in 1901 and is named after the continent of Europe. It is a moderately hard, silvery metal which readily oxidizes in air and water.
category
lanthanide
named_by
未知
appearance
未知
molar_heat
27.66
atomic_mass
151.9641
atomic_radii
{'metallic': [180.4], 'empirical': [185], 'calculated': [231], 'van_der_waals': None, 'covalent_single': [168], 'covalent_triple': None}
density_unit
g/cm3
spectral_img
未知
bohr_model_3d
https://storage.googleapis.com/search-ar-edu/periodic-table/element_063_europium/element_063_europium.glb
density_g_cm3
5.264
discovered_by
Eugène-Anatole Demarçay
bohr_model_image
https://storage.googleapis.com/search-ar-edu/periodic-table/element_063_europium/element_063_europium_srp_th.png
electron_affinity
11.2
ionization_energies
[547.1, 1085, 2404, 4120]
electron_configuration
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f7
electronegativity_pauling
1.2
electron_configuration_semantic
[Xe] 4f7 6s2