1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
2.3 Panggil periode
2.8 Block
s pemblokiran
s pemblokiran
2.9 Family unsur
2.10 CAS Number
74404627440144
7429905
54386242
2.13 Jeneng papan Group
2.14 Space Group Number
4 facts
4.1 Facts Interesting
ora Cepak
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
4.2 sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
Mining, Ores logam
4.3 History
4.3.1 sing katutup
Robert Bunsen and Gustav Kirchhoff
Not Available
4.3.2 Discovery
ing taun 1860
ing taun 1898
4.4 turah mbrawah
4.4.1 Turah mbrawah Ing Universe
8 * 10-8 %ora Sumadhiya
5E-09
0.11
5.1.2 Turah mbrawah Ing Sun
~0.0000008 %~-9999 %
1E-08
0.1
5.2.2 Turah mbrawah Ing meteorit
0.00 %ora Sumadhiya
1.7E-07
22
5.3.2 Turah mbrawah Ing bumi lemah ndhuwur
5.5.1 Turah mbrawah Ing Segara
5.6.2 Turah mbrawah Ing Manungsa
7 ulah
7.1 Ulah lan Wuku
- nggunakake paling umum saka logam Sesium yaiku adi ngebur. Sampeyan uga dipigunakaké ing Manufaktur kaca optik.
- Ing tabung vakum lan peralatan monitor radiation logam iki digunakake minangka katalis tukang promosi.
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
7.1.1 Ulah Industrial
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
NA
7.1.2 Ulah Medical
NA
Industry Pharmaceutical
7.1.3 Ulah liyane
7.2 Properties biologi
7.2.1 keracunan
mildly Toxic
Highly Toxic
7.2.2 Saiki ing badan Human
7.2.3 Sang
0.00 Sang / mg dm-3ora Sumadhiya
0
1970
7.2.6 ing Bone
0.05 ppmora Sumadhiya
0
170000
9 fisik
9.1 leleh Point
28.50 ° C700.00 ° C
27
3410
9.4 Boiling Point
678.40 ° C1,737.00 ° C
147
5660
9.7 katon
9.7.1 State fisik
9.7.2 warna
9.7.3 luster
9.8 atose
9.8.1 Mohs atose
0.20ora Sumadhiya
0.2
8.5
9.8.3 Brinell atose
0.14 MPaora Sumadhiya
0.14
3490
9.8.5 Vickers atose
ora Sumadhiyaora Sumadhiya
121
3430
9.10 Kacepetan swara
ora Sumadhiyaora Sumadhiya
818
16200
9.12 Properties Optical
9.12.1 bias Index
ora Sumadhiyaora Sumadhiya
1.000933
1.7229
9.12.2 reflectivity
ora Sumadhiyaora Sumadhiya
58
97
9.14 allotropes
9.14.2 α allotropes
ora Sumadhiya
ora Sumadhiya
9.14.4 β allotropes
ora Sumadhiya
ora Sumadhiya
9.14.6 γ allotropes
ora Sumadhiya
ora Sumadhiya
11 Kimia
11.1 Formula Kimia
11.3 isotop
11.3.1 Isotop dikenal
11.5 keelektronegatifan
11.5.1 Pauling Elektronegativitas
11.5.3 Sanderson Elektronegativitas
0.22ora Sumadhiya
0.22
2.56
11.5.5 Allred Rochow Elektronegativitas
11.5.6 Mulliken-Jaffe Elektronegativitas
11.5.8 Allen Elektronegativitas
11.6 Electropositivity
11.6.1 Pauling Electropositivity
11.8 tenogo ionisasi
11.8.1 Level Energy 1st
375.70 kJ / mol509.30 kJ / mol
375.7
26130
11.8.2 Level Energy 2
2,234.30 kJ / mol979.00 kJ / mol
710.2162
28750
11.9.2 Level Energy 3rd
3,400.00 kJ / molora Sumadhiya
1600
34230
11.9.4 Level Energy 4
ora Sumadhiyaora Sumadhiya
2780
37066
11.9.6 Level Energy 5th
ora Sumadhiyaora Sumadhiya
4305.2
97510
11.9.8 Level Energy 6th
ora Sumadhiyaora Sumadhiya
5715.8
105800
11.9.10 tingkat Energy 7
ora Sumadhiyaora Sumadhiya
7226.8
114300
11.9.12 Level Energy 8
ora Sumadhiyaora Sumadhiya
8857.4
125300
11.9.14 Level Energy 9
ora Sumadhiyaora Sumadhiya
14110
134700
11.9.16 Level Energy 10th
ora Sumadhiyaora Sumadhiya
17100
144300
11.9.18 Level Energy 11
ora Sumadhiyaora Sumadhiya
19900
169988
11.9.20 Level Energy 12
ora Sumadhiyaora Sumadhiya
22219
189368
11.9.22 Level Energy 13
ora Sumadhiyaora Sumadhiya
26930
76015
11.9.24 Level Energy 14
ora Sumadhiyaora Sumadhiya
29196
86450
11.9.26 Level Energy 15
ora Sumadhiyaora Sumadhiya
41987
97510
11.9.28 Level Energy 16
ora Sumadhiyaora Sumadhiya
47206
109480
11.9.30 Level Energy 17
ora Sumadhiyaora Sumadhiya
52737
122200
11.9.32 Level Energy 18
ora Sumadhiyaora Sumadhiya
58570
134810
11.9.34 Level Energy 19
ora Sumadhiyaora Sumadhiya
64702
148700
11.9.36 Level Energy 20
ora Sumadhiyaora Sumadhiya
80400
171200
11.9.38 Level Energy 21
ora Sumadhiyaora Sumadhiya
87000
179100
11.9.39 Level Energy 22
ora Sumadhiyaora Sumadhiya
93400
184900
11.9.41 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
11.9.43 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
11.9.45 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
11.9.47 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
11.9.49 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
11.9.52 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
11.9.54 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
11.9.56 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
11.10 padha karo elektrokimia
4.96 g / amp-day4.22 g / amp-day
0.16812
8.3209
11.12 Fungsi Work elektron
2.14 eVora Sumadhiya
2.14
5.65
11.13 Properties Kimia liyane
Kimia Stabilitas, Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
12 atom
12.1 Panggil atom
13.2 Konfigurasi elektron
13.3 Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
13.3.1 Crystal pola
13.4 atom
13.4.1 Jumlah proton
13.7.2 Jumlah Neutron
13.7.4 Jumlah Èlèktron
13.8 Radius saka Atom
13.8.1 Radius atom
265.00 pmora Sumadhiya
112
265
13.8.2 kovalen Radius
244.00 pm221.00 pm
96
260
13.9.2 Van der Waals Radius
343.00 pm283.00 pm
139
348
13.10 Bobot atom
132.91 Amu226.00 Amu
6.94
294
13.12 Volume atom
71.07 cm3 / mol45.20 cm3 / mol
1.39
71.07
13.13 Nomer atom jejer
13.13.1 unsur Previous
13.13.2 Sabanjure unsur
13.14 Potensi Valence Electron
8.62 (-eV)20.10 (-eV)
8
392.42
13.16 Constant pola
614.10 pm514.80 pm
228.58
891.25
13.19 pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
13.20 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
14 Teknik
14.1 Kapadhetan
14.1.1 Kapadhetan Ing suhu kamar
1.93 g / cm 35.50 g / cm 3
0.534
40.7
14.3.1 Kapadhetan Nalika Liquid (ing mp)
1.84 g / cm3ora Sumadhiya
0.512
20
15.2 Strength tensile
ora Sumadhiyaora Sumadhiya
2.5
11000
15.3 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
15.5 meksa beluk
15.5.1 Meksa beluk ing 1000 K
ora Sumadhiyaora Sumadhiya
2.47E-11
121
15.6.1 Meksa beluk ing 2000 K
ora Sumadhiyaora Sumadhiya
2.62E-10
774
15.8 situs kelenturan
15.8.1 nyukur pengaturan
ora Sumadhiyaora Sumadhiya
1.3
222
15.9.2 pengaturan akeh
1.60 GPAora Sumadhiya
1.6
462
15.9.3 Young kang pengaturan
1.70 GPAora Sumadhiya
1.7
528
15.10 Poisson rasio
ora Sumadhiyaora Sumadhiya
0.032
0.47
15.11 Properties Teknik liyane
16 Magnetic
16.1 Ciri Magnetic
16.1.1 Gravitasi tartamtu
16.2.1 Nindakake Magnetic
16.2.2 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
17.1.2 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
17.2 Properties Listrik
17.2.1 Property Listrik
17.2.2 resistivity
205.00 nΩ · m100.00 nΩ · m
0.18
961
17.3.2 konduktivitas listrik
0.05 10 6 / cm Ωora Sumadhiya
0.00666
0.63
17.3.5 elektron Affinity
45.50 kJ / molora Sumadhiya
0
222.8
18 termal
18.1 Kalor tartamtu
0.24 J / (kg K)0.12 J / (kg K)
0.11
3.6
19.2 Graham Kapasitas kalor
32.21 J / mol · Kora Sumadhiya
16.443
62.7
19.4 doyo termal
35.90 W / m · K18.60 W / m · K
6.3
429
19.6 suhu kritis
1,938.00 Kora Sumadhiya
26.3
3223
19.8 Expansion termal
97.00 μm / (m · K)ora Sumadhiya
4.5
97
19.10 enthalpy
19.10.1 Enthalpy panguapan
65.90 kJ / molora Sumadhiya
7.32
799.1
19.11.2 Enthalpy saka Fusion
2.10 kJ / molora Sumadhiya
2.1
35.23
19.11.4 Enthalpy saka atomization
78.20 kJ / mol163.00 kJ / mol
61.5
837
19.12 Standard molar Entropy
85.20 J / mol.K71.00 J / mol.K
9.5
198.1