1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
1.3 Panggil periode
1.4 Block
s pemblokiran
pemblokiran f
1.5 Family unsur
1.6 CAS Number
74401447440199
7429905
54386242
1.7 Jeneng papan Group
1.8 Space Group Number
2 facts
2.1 Facts Interesting
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
2.2 sumber
Mining, Ores logam
Found in Minerals, Mining, Ores saka Minerals
2.3 History
2.3.1 sing katutup
Not Available
Lecoq de Boisbaudran
2.3.2 Discovery
ing taun 1898
ing taun 1879
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
ora Sumadhiya5 * 10-7 %
5E-09
0.11
2.4.2 Turah mbrawah Ing Sun
~-9999 %~0.0000001 %
1E-08
0.1
2.4.3 Turah mbrawah Ing meteorit
ora Sumadhiya0.00 %
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
0.00 %ora Sumadhiya
1E-13
1.4
3 ulah
3.1 Ulah lan Wuku
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
Character length exceed error
3.1.1 Ulah Industrial
NA
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
3.1.2 Ulah Medical
Industry Pharmaceutical
NA
3.1.3 Ulah liyane
NA
wesi, Ing Reactors Nuclear
3.2 Properties biologi
3.2.1 keracunan
3.2.2 Saiki ing badan Human
3.2.3 Sang
ora Sumadhiya0.01 Sang / mg dm-3
0
1970
3.2.4 ing Bone
ora Sumadhiyaora Sumadhiya
0
170000
4 fisik
4.1 leleh Point
700.00 ° C1,072.00 ° C
27
3410
4.2 Boiling Point
1,737.00 ° C1,900.00 ° 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 Sumadhiya441.00 MPa
0.14
3490
4.4.3 Vickers atose
ora Sumadhiya412.00 MPa
121
3430
4.5 Kacepetan swara
ora Sumadhiya2,130.00 m / s
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
ora Sumadhiyaora Sumadhiya
0.22
2.56
5.3.3 Allred Rochow Elektronegativitas
5.3.4 Mulliken-Jaffe Elektronegativitas
0.92ora Sumadhiya
0.62
2.48
5.3.5 Allen Elektronegativitas
0.89ora Sumadhiya
0.659
2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 tenogo ionisasi
5.5.1 Level Energy 1st
509.30 kJ / mol544.50 kJ / mol
375.7
26130
5.5.2 Level Energy 2
979.00 kJ / mol1,070.00 kJ / mol
710.2162
28750
5.5.3 Level Energy 3rd
ora Sumadhiya2,260.00 kJ / mol
1600
34230
5.5.4 Level Energy 4
ora Sumadhiya3,990.00 kJ / mol
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
5.5.25 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
5.5.26 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
5.5.27 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
5.5.28 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
5.5.29 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
5.5.30 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
5.6 padha karo elektrokimia
4.22 g / amp-day1.87 g / amp-day
0.16812
8.3209
5.7 Fungsi Work elektron
ora Sumadhiya2.70 eV
2.14
5.65
5.8 Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif
6 atom
6.1 Panggil atom
6.2 Konfigurasi elektron
6.3 Struktur Crystal
Body tengah kubik (Bcc)
Rhombohedral (RHO)
6.3.1 Crystal pola
6.4 atom
6.4.1 Jumlah proton
6.4.2 Jumlah Neutron
6.4.3 Jumlah Èlèktron
6.5 Radius saka Atom
6.5.1 Radius atom
ora Sumadhiya180.00 pm
112
265
6.5.2 kovalen Radius
221.00 pm198.00 pm
96
260
6.5.3 Van der Waals Radius
283.00 pm229.00 pm
139
348
6.6 Bobot atom
226.00 Amu150.36 Amu
6.94
294
6.7 Volume atom
45.20 cm3 / mol19.95 cm3 / mol
1.39
71.07
6.8 Nomer atom jejer
6.8.1 unsur Previous
6.8.2 Sabanjure unsur
6.9 Potensi Valence Electron
20.10 (-eV)44.80 (-eV)
8
392.42
6.10 Constant pola
514.80 pm362.10 pm
228.58
891.25
6.11 pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
6.12 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
7 Teknik
7.1 Kapadhetan
7.1.1 Kapadhetan Ing suhu kamar
5.50 g / cm 37.52 g / cm 3
0.534
40.7
7.1.2 Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya7.16 g / cm3
0.512
20
7.2 Strength tensile
ora Sumadhiyaora Sumadhiya
2.5
11000
7.3 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
7.4 meksa beluk
7.4.1 Meksa beluk ing 1000 K
ora Sumadhiya0.94 (Pa)
2.47E-11
121
7.4.2 Meksa beluk ing 2000 K
ora Sumadhiyaora Sumadhiya
2.62E-10
774
7.5 situs kelenturan
7.5.1 nyukur pengaturan
ora Sumadhiya19.50 GPA
1.3
222
7.5.2 pengaturan akeh
ora Sumadhiya37.80 GPA
1.6
462
7.5.3 Young kang pengaturan
ora Sumadhiya49.70 GPA
1.7
528
7.6 Poisson rasio
ora Sumadhiya0.27
0.032
0.47
7.7 Properties Teknik liyane
8 Magnetic
8.1 Ciri Magnetic
8.1.1 Gravitasi tartamtu
8.1.2 Nindakake Magnetic
8.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
8.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
8.2 Properties Listrik
8.2.1 Property Listrik
8.2.2 resistivity
100.00 nΩ · m0.94 nΩ · m
0.18
961
8.2.3 konduktivitas listrik
ora Sumadhiya0.01 10 6 / cm Ω
0.00666
0.63
8.2.4 elektron Affinity
ora Sumadhiya50.00 kJ / mol
0
222.8
9 termal
9.1 Kalor tartamtu
0.12 J / (kg K)0.20 J / (kg K)
0.11
3.6
9.2 Graham Kapasitas kalor
ora Sumadhiya29.54 J / mol · K
16.443
62.7
9.3 doyo termal
18.60 W / m · K13.30 W / m · K
6.3
429
9.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
9.5 Expansion termal
ora Sumadhiya12.70 μm / (m · K)
4.5
97
9.6 enthalpy
9.6.1 Enthalpy panguapan
ora Sumadhiya166.40 kJ / mol
7.32
799.1
9.6.2 Enthalpy saka Fusion
ora Sumadhiya8.62 kJ / mol
2.1
35.23
9.6.3 Enthalpy saka atomization
163.00 kJ / mol209.00 kJ / mol
61.5
837
9.7 Standard molar Entropy
71.00 J / mol.K69.60 J / mol.K
9.5
198.1