1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
1.3 Panggil periode
1.4 Block
pemblokiran f
s pemblokiran
1.5 Family unsur
1.6 CAS Number
74405317440144
7429905
54386242
1.7 Jeneng papan Group
1.8 Space Group Number
2 facts
2.1 Facts Interesting
ora Cepak
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
2.2 sumber
Found in Minerals, Mining, Ores saka Minerals
Mining, Ores logam
2.3 History
2.3.1 sing katutup
Eugène-Anatole Demarçay
Not Available
2.3.2 Discovery
ing taun 1896
ing taun 1898
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
5 * 10-8 %ora Sumadhiya
5E-09
0.11
2.4.2 Turah mbrawah Ing Sun
~0.00000005 %~-9999 %
1E-08
0.1
2.4.3 Turah mbrawah Ing meteorit
0.00 %ora Sumadhiya
1.7E-07
22
2.4.4 Turah mbrawah Ing bumi lemah ndhuwur
2.4.5 Turah mbrawah Ing Segara
2.4.6 Turah mbrawah Ing Manungsa
ora Sumadhiya0.00 %
1E-13
1.4
3 ulah
3.1 Ulah lan Wuku
- logam Europium utama Efesus ing printing saka dhuwit kertas Euro. cathetan iki cemlorot abang ing lampu UV.
- Kang digunakake ing bolam lampu kurang energi.
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
3.1.1 Ulah Industrial
3.1.2 Ulah Medical
NA
Industry Pharmaceutical
3.1.3 Ulah liyane
3.2 Properties biologi
3.2.1 keracunan
3.2.2 Saiki ing badan Human
3.2.3 Sang
ora Sumadhiyaora Sumadhiya
0
1970
3.2.4 ing Bone
ora Sumadhiyaora Sumadhiya
0
170000
4 fisik
4.1 leleh Point
822.00 ° C700.00 ° C
27
3410
4.2 Boiling Point
1,597.00 ° C1,737.00 ° C
147
5660
4.3 katon
4.3.1 State fisik
4.3.2 warna
4.3.3 luster
4.4 atose
4.4.1 Mohs atose
ora Sumadhiyaora Sumadhiya
0.2
8.5
4.4.2 Brinell atose
ora Sumadhiyaora Sumadhiya
0.14
3490
4.4.3 Vickers atose
167.00 MPaora Sumadhiya
121
3430
4.5 Kacepetan swara
ora Sumadhiyaora Sumadhiya
818
16200
4.6 Properties Optical
4.6.1 bias Index
ora Sumadhiyaora Sumadhiya
1.000933
1.7229
4.6.2 reflectivity
ora Sumadhiyaora Sumadhiya
58
97
4.7 allotropes
4.7.1 α allotropes
ora Sumadhiya
ora Sumadhiya
4.7.2 β allotropes
ora Sumadhiya
ora Sumadhiya
4.7.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
5 Kimia
5.1 Formula Kimia
5.2 isotop
5.2.1 Isotop dikenal
5.3 keelektronegatifan
5.3.1 Pauling Elektronegativitas
5.3.2 Sanderson Elektronegativitas
1.01ora Sumadhiya
0.22
2.56
5.3.3 Allred Rochow Elektronegativitas
ora Sumadhiya0.97
0.86
1.82
5.3.4 Mulliken-Jaffe Elektronegativitas
ora Sumadhiya0.92
0.62
2.48
5.3.5 Allen Elektronegativitas
ora Sumadhiya0.89
0.659
2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
ora Sumadhiya3.10
1.46
3.3
5.5 tenogo ionisasi
5.5.1 Level Energy 1st
547.10 kJ / mol509.30 kJ / mol
375.7
26130
5.5.2 Level Energy 2
1,085.00 kJ / mol979.00 kJ / mol
710.2162
28750
5.5.3 Level Energy 3rd
2,404.00 kJ / molora Sumadhiya
1600
34230
5.5.4 Level Energy 4
4,120.00 kJ / molora Sumadhiya
2780
37066
5.5.5 Level Energy 5th
ora Sumadhiyaora Sumadhiya
4305.2
97510
5.5.6 Level Energy 6th
ora Sumadhiyaora Sumadhiya
5715.8
105800
5.5.7 tingkat Energy 7
ora Sumadhiyaora Sumadhiya
7226.8
114300
5.5.8 Level Energy 8
ora Sumadhiyaora Sumadhiya
8857.4
125300
5.5.9 Level Energy 9
ora Sumadhiyaora Sumadhiya
14110
134700
5.5.10 Level Energy 10th
ora Sumadhiyaora Sumadhiya
17100
144300
5.5.11 Level Energy 11
ora Sumadhiyaora Sumadhiya
19900
169988
5.5.12 Level Energy 12
ora Sumadhiyaora Sumadhiya
22219
189368
5.5.13 Level Energy 13
ora Sumadhiyaora Sumadhiya
26930
76015
5.5.14 Level Energy 14
ora Sumadhiyaora Sumadhiya
29196
86450
5.5.15 Level Energy 15
ora Sumadhiyaora Sumadhiya
41987
97510
5.5.16 Level Energy 16
ora Sumadhiyaora Sumadhiya
47206
109480
5.5.17 Level Energy 17
ora Sumadhiyaora Sumadhiya
52737
122200
5.5.18 Level Energy 18
ora Sumadhiyaora Sumadhiya
58570
134810
5.5.19 Level Energy 19
ora Sumadhiyaora Sumadhiya
64702
148700
5.5.20 Level Energy 20
ora Sumadhiyaora Sumadhiya
80400
171200
5.5.21 Level Energy 21
ora Sumadhiyaora Sumadhiya
87000
179100
5.5.22 Level Energy 22
ora Sumadhiyaora Sumadhiya
93400
184900
5.5.23 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
5.5.24 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
1.2.2 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
1.2.3 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
1.3.2 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
1.3.3 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
1.3.5 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
1.3.6 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
1.4 padha karo elektrokimia
1.89 g / amp-day4.22 g / amp-day
0.16812
8.3209
1.5 Fungsi Work elektron
2.50 eVora Sumadhiya
2.14
5.65
1.6 Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
2 atom
2.1 Panggil atom
2.4 Konfigurasi elektron
2.5 Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
2.5.1 Crystal pola
2.6 atom
2.6.1 Jumlah proton
2.6.3 Jumlah Neutron
2.6.5 Jumlah Èlèktron
2.7 Radius saka Atom
2.7.1 Radius atom
180.00 pmora Sumadhiya
112
265
2.7.3 kovalen Radius
198.00 pm221.00 pm
96
260
2.7.5 Van der Waals Radius
233.00 pm283.00 pm
139
348
2.8 Bobot atom
151.96 Amu226.00 Amu
6.94
294
2.9 Volume atom
28.90 cm3 / mol45.20 cm3 / mol
1.39
71.07
2.10 Nomer atom jejer
2.10.1 unsur Previous
2.10.2 Sabanjure unsur
2.11 Potensi Valence Electron
45.60 (-eV)20.10 (-eV)
8
392.42
2.12 Constant pola
458.10 pm514.80 pm
228.58
891.25
2.13 pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
2.14 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
3 Teknik
3.1 Kapadhetan
3.1.1 Kapadhetan Ing suhu kamar
5.26 g / cm 35.50 g / cm 3
0.534
40.7
3.1.3 Kapadhetan Nalika Liquid (ing mp)
5.13 g / cm3ora Sumadhiya
0.512
20
3.2 Strength tensile
120.00 MPaora Sumadhiya
2.5
11000
3.3 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
3.4 meksa beluk
3.4.1 Meksa beluk ing 1000 K
19.40 (Pa)ora Sumadhiya
2.47E-11
121
3.4.3 Meksa beluk ing 2000 K
ora Sumadhiyaora Sumadhiya
2.62E-10
774
3.5 situs kelenturan
3.5.1 nyukur pengaturan
7.90 GPAora Sumadhiya
1.3
222
3.5.4 pengaturan akeh
8.30 GPAora Sumadhiya
1.6
462
3.5.7 Young kang pengaturan
18.20 GPAora Sumadhiya
1.7
528
3.6 Poisson rasio
0.15ora Sumadhiya
0.032
0.47
3.7 Properties Teknik liyane
4 Magnetic
4.1 Ciri Magnetic
4.1.1 Gravitasi tartamtu
4.1.4 Nindakake Magnetic
4.1.5 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
4.1.7 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
4.3 Properties Listrik
4.3.1 Property Listrik
4.3.2 resistivity
0.90 nΩ · m100.00 nΩ · m
0.18
961
4.4.1 konduktivitas listrik
0.01 10 6 / cm Ωora Sumadhiya
0.00666
0.63
4.5.1 elektron Affinity
50.00 kJ / molora Sumadhiya
0
222.8
5 termal
5.1 Kalor tartamtu
0.18 J / (kg K)0.12 J / (kg K)
0.11
3.6
5.2 Graham Kapasitas kalor
27.66 J / mol · Kora Sumadhiya
16.443
62.7
5.3 doyo termal
13.90 W / m · K18.60 W / m · K
6.3
429
5.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
5.5 Expansion termal
35.00 μm / (m · K)ora Sumadhiya
4.5
97
5.6 enthalpy
5.6.1 Enthalpy panguapan
143.50 kJ / molora Sumadhiya
7.32
799.1
5.6.2 Enthalpy saka Fusion
9.21 kJ / molora Sumadhiya
2.1
35.23
5.6.3 Enthalpy saka atomization
180.00 kJ / mol163.00 kJ / mol
61.5
837
5.7 Standard molar Entropy
77.80 J / mol.K71.00 J / mol.K
9.5
198.1