1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
2.5 Panggil periode
2.6 Block
s pemblokiran
s pemblokiran
2.7 Family unsur
alkalin bumi
alkalin bumi
2.8 CAS Number
74401447440246
7429905
54386242
2.9 Jeneng papan Group
2.10 Space Group Number
3 facts
3.1 Facts Interesting
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
3.2 sumber
Mining, Ores logam
Found in Minerals, Mining, Ores saka Minerals
3.3 History
3.3.1 sing katutup
Not Available
William Cruickshank
3.3.3 Discovery
3.4 turah mbrawah
3.4.1 Turah mbrawah Ing Universe
ora Sumadhiya4 * 10-6 %
5E-09
0.11
3.4.3 Turah mbrawah Ing Sun
~-9999 %~0.000005 %
1E-08
0.1
4.2.4 Turah mbrawah Ing meteorit
ora Sumadhiya0.00 %
1.7E-07
22
4.2.6 Turah mbrawah Ing bumi lemah ndhuwur
5.1.1 Turah mbrawah Ing Segara
5.2.1 Turah mbrawah Ing Manungsa
6 ulah
6.1 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
6.1.1 Ulah Industrial
NA
Industry amunisi, Industri Kimia
6.1.2 Ulah Medical
Industry Pharmaceutical
NA
6.1.3 Ulah liyane
6.2 Properties biologi
6.2.1 keracunan
6.3.2 Saiki ing badan Human
6.3.4 Sang
ora Sumadhiya0.03 Sang / mg dm-3
0
1970
6.4.2 ing Bone
ora Sumadhiya140.00 ppm
0
170000
7 fisik
7.1 leleh Point
700.00 ° C769.00 ° C
27
3410
7.3 Boiling Point
1,737.00 ° C1,384.00 ° C
147
5660
7.5 katon
7.5.1 State fisik
7.5.2 warna
7.5.3 luster
7.6 atose
7.6.1 Mohs atose
ora Sumadhiya1.50
0.2
8.5
8.2.2 Brinell atose
ora Sumadhiyaora Sumadhiya
0.14
3490
8.3.2 Vickers atose
ora Sumadhiyaora Sumadhiya
121
3430
8.4 Kacepetan swara
ora Sumadhiyaora Sumadhiya
818
16200
8.5 Properties Optical
8.5.1 bias Index
ora Sumadhiyaora Sumadhiya
1.000933
1.7229
8.5.2 reflectivity
ora Sumadhiyaora Sumadhiya
58
97
8.6 allotropes
8.6.1 α allotropes
ora Sumadhiya
ora Sumadhiya
8.6.2 β allotropes
ora Sumadhiya
ora Sumadhiya
8.6.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
9 Kimia
9.1 Formula Kimia
9.2 isotop
9.2.1 Isotop dikenal
9.5 keelektronegatifan
9.5.1 Pauling Elektronegativitas
9.5.3 Sanderson Elektronegativitas
ora Sumadhiya0.72
0.22
2.56
9.5.5 Allred Rochow Elektronegativitas
9.5.7 Mulliken-Jaffe Elektronegativitas
9.5.9 Allen Elektronegativitas
9.6 Electropositivity
9.6.1 Pauling Electropositivity
9.7 tenogo ionisasi
9.7.1 Level Energy 1st
509.30 kJ / mol549.50 kJ / mol
375.7
26130
9.7.3 Level Energy 2
979.00 kJ / mol1,064.20 kJ / mol
710.2162
28750
9.7.5 Level Energy 3rd
ora Sumadhiya4,138.00 kJ / mol
1600
34230
9.7.8 Level Energy 4
ora Sumadhiya5,500.00 kJ / mol
2780
37066
9.7.10 Level Energy 5th
ora Sumadhiya6,910.00 kJ / mol
4305.2
97510
9.7.12 Level Energy 6th
ora Sumadhiya8,760.00 kJ / mol
5715.8
105800
9.7.14 tingkat Energy 7
ora Sumadhiya10,230.00 kJ / mol
7226.8
114300
9.7.16 Level Energy 8
ora Sumadhiya11,800.00 kJ / mol
8857.4
125300
9.7.18 Level Energy 9
ora Sumadhiya15,600.00 kJ / mol
14110
134700
9.7.20 Level Energy 10th
ora Sumadhiya17,100.00 kJ / mol
17100
144300
9.7.23 Level Energy 11
ora Sumadhiya31,270.00 kJ / mol
19900
169988
9.7.25 Level Energy 12
ora Sumadhiyaora Sumadhiya
22219
189368
9.7.28 Level Energy 13
ora Sumadhiyaora Sumadhiya
26930
76015
9.7.31 Level Energy 14
ora Sumadhiyaora Sumadhiya
29196
86450
9.7.34 Level Energy 15
ora Sumadhiyaora Sumadhiya
41987
97510
9.7.36 Level Energy 16
ora Sumadhiyaora Sumadhiya
47206
109480
9.7.38 Level Energy 17
ora Sumadhiyaora Sumadhiya
52737
122200
9.8.1 Level Energy 18
ora Sumadhiyaora Sumadhiya
58570
134810
9.8.2 Level Energy 19
ora Sumadhiyaora Sumadhiya
64702
148700
9.9.1 Level Energy 20
ora Sumadhiyaora Sumadhiya
80400
171200
10.1.1 Level Energy 21
ora Sumadhiyaora Sumadhiya
87000
179100
10.4.2 Level Energy 22
ora Sumadhiyaora Sumadhiya
93400
184900
10.4.3 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
10.4.4 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
10.4.5 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
10.4.6 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
10.4.8 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
10.4.9 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
10.4.11 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
10.5.2 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
10.6 padha karo elektrokimia
4.22 g / amp-day1.64 g / amp-day
0.16812
8.3209
10.7 Fungsi Work elektron
ora Sumadhiya2.59 eV
2.14
5.65
10.9 Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
11 atom
11.1 Panggil atom
11.5 Konfigurasi elektron
11.6 Struktur Crystal
Body tengah kubik (Bcc)
Face tengah kubik (FCC)
11.6.1 Crystal pola
11.7 atom
11.7.1 Jumlah proton
11.8.1 Jumlah Neutron
12.1.2 Jumlah Èlèktron
12.2 Radius saka Atom
12.2.1 Radius atom
ora Sumadhiya215.00 pm
112
265
12.3.1 kovalen Radius
221.00 pm195.00 pm
96
260
12.4.1 Van der Waals Radius
283.00 pm249.00 pm
139
348
12.6 Bobot atom
226.00 Amu87.62 Amu
6.94
294
12.7 Volume atom
45.20 cm3 / mol33.70 cm3 / mol
1.39
71.07
12.9 Nomer atom jejer
12.9.1 unsur Previous
12.9.2 Sabanjure unsur
12.10 Potensi Valence Electron
20.10 (-eV)25.70 (-eV)
8
392.42
12.11 Constant pola
514.80 pm608.49 pm
228.58
891.25
12.13 pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
12.14 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
13 Teknik
13.1 Kapadhetan
13.1.1 Kapadhetan Ing suhu kamar
5.50 g / cm 32.64 g / cm 3
0.534
40.7
14.1.4 Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya2.38 g / cm3
0.512
20
14.3 Strength tensile
ora Sumadhiyaora Sumadhiya
2.5
11000
14.4 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
14.5 meksa beluk
14.5.1 Meksa beluk ing 1000 K
ora Sumadhiya121.00 (Pa)
2.47E-11
121
14.5.3 Meksa beluk ing 2000 K
ora Sumadhiyaora Sumadhiya
2.62E-10
774
15.2 situs kelenturan
15.2.1 nyukur pengaturan
ora Sumadhiya6.03 GPA
1.3
222
15.3.1 pengaturan akeh
ora Sumadhiyaora Sumadhiya
1.6
462
15.5.1 Young kang pengaturan
ora Sumadhiya15.70 GPA
1.7
528
15.7 Poisson rasio
ora Sumadhiya0.28
0.032
0.47
15.9 Properties Teknik liyane
16 Magnetic
16.1 Ciri Magnetic
16.1.1 Gravitasi tartamtu
16.1.3 Nindakake Magnetic
16.1.4 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
16.1.6 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
16.3 Properties Listrik
16.3.1 Property Listrik
16.3.2 resistivity
100.00 nΩ · m132.00 nΩ · m
0.18
961
16.3.3 konduktivitas listrik
ora Sumadhiya0.08 10 6 / cm Ω
0.00666
0.63
16.3.4 elektron Affinity
ora Sumadhiya5.03 kJ / mol
0
222.8
17 termal
17.1 Kalor tartamtu
0.12 J / (kg K)0.30 J / (kg K)
0.11
3.6
17.2 Graham Kapasitas kalor
ora Sumadhiya26.40 J / mol · K
16.443
62.7
17.3 doyo termal
18.60 W / m · K35.40 W / m · K
6.3
429
17.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
17.5 Expansion termal
ora Sumadhiya22.50 μm / (m · K)
4.5
97
17.6 enthalpy
17.6.1 Enthalpy panguapan
ora Sumadhiya150.00 kJ / mol
7.32
799.1
17.6.2 Enthalpy saka Fusion
ora Sumadhiya9.16 kJ / mol
2.1
35.23
17.6.3 Enthalpy saka atomization
163.00 kJ / mol163.20 kJ / mol
61.5
837
17.7 Standard molar Entropy
71.00 J / mol.K55.00 J / mol.K
9.5
198.1