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Radium Properties
Radium


fisik
0
leleh Point
700.00 ° C 59
Boiling Point
1,737.00 ° C 54
atose
0
Mohs atose
ora Sumadhiya 0
Brinell atose
ora Sumadhiya 0
Vickers atose
ora Sumadhiya 0
Properties Optical
0
bias Index
ora Sumadhiya 0
reflectivity
ora Sumadhiya 0
Kacepetan swara
ora Sumadhiya 0
allotropes
Ora 0
α allotropes
ora Sumadhiya 0
β allotropes
ora Sumadhiya 0
γ allotropes
ora Sumadhiya 0
Kimia
0
Formula Kimia
Ra 0
isotop
0
Isotop dikenal
33 6
keelektronegatifan
0
Pauling Elektronegativitas
0.90 49
Sanderson Elektronegativitas
ora Sumadhiya 0
Allred Rochow Elektronegativitas
0.97 38
Mulliken-Jaffe Elektronegativitas
0.92 20
Allen Elektronegativitas
0.89 42
Electropositivity
0
Pauling Electropositivity
3.10 5
tenogo ionisasi
0
Level Energy 1st
509.30 kJ / mol 82
Level Energy 2
979.00 kJ / mol 81
Level Energy 3rd
ora Sumadhiya 0
padha karo elektrokimia
4.22 g / amp-day 6
Fungsi Work elektron
ora Sumadhiya 0
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif 0
Teknik
0
Kapadhetan
0
Kapadhetan Ing suhu kamar
5.50 g / cm 3 68
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya 0
meksa beluk
0
Meksa beluk ing 1000 K
ora Sumadhiya 0
Meksa beluk ing 2000 K
ora Sumadhiya 0
Strength tensile
ora Sumadhiya 0
viskositas
ora Sumadhiya 0
situs kelenturan
0
nyukur pengaturan
ora Sumadhiya 0
pengaturan akeh
ora Sumadhiya 0
Young kang pengaturan
ora Sumadhiya 0
Poisson rasio
ora Sumadhiya 0
Properties Teknik liyane
NA 0
Tabel périodik
0
Symbol
Ra 0
Panggil Group
2 16
Panggil periode
7 1
Block
s pemblokiran 0
Family unsur
alkalin bumi 0
atom
0
Panggil atom
88 30
Bobot atom
226.00 Amu 26
Volume atom
45.20 cm3 / mol 4
Konfigurasi elektron
[Rn] 7s 2 0
Potensi Valence Electron
20.10 (-eV) 59
atom
0
Jumlah proton
88 30
Jumlah Neutron
138 16
Jumlah Èlèktron
88 30
Struktur Crystal
Body tengah kubik (Bcc) 0
Crystal pola
BCC-Crystal-Structure-.jpg#100 0
Radius saka Atom
0
Radius atom
ora Sumadhiya 0
kovalen Radius
221.00 pm 3
Van der Waals Radius
283.00 pm 4
Constant pola
514.80 pm 13
pola Angles
π/2, π/2, π/2 0
Pola C / A rasio
ora Sumadhiya 0
Nomer atom jejer
0
Sabanjure unsur
53 0
unsur Previous
47 0
Magnetic
0
Properties Listrik
0
resistivity
100.00 nΩ · m 31
konduktivitas listrik
ora Sumadhiya 0
elektron Affinity
ora Sumadhiya 0
Property Listrik
NA 0
Ciri Magnetic
0
Gravitasi tartamtu
5.00 56
Nindakake Magnetic
nonmagnetic 0
permeabilitas
ora Sumadhiya 0
kelemahan
ora Sumadhiya 0
termal
0
Kalor tartamtu
0.12 J / (kg K) 40
doyo termal
18.60 W / m · K 45
suhu kritis
ora Sumadhiya 0
Graham Kapasitas kalor
ora Sumadhiya 0
Expansion termal
ora Sumadhiya 0
Standard molar Entropy
71.00 J / mol.K 14
enthalpy
0
Enthalpy panguapan
ora Sumadhiya 0
Enthalpy saka Fusion
ora Sumadhiya 0
Enthalpy saka atomization
163.00 kJ / mol 51
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