1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
1.4 Panggil periode
1.8 Block
1.9 Family unsur
alkalin bumi
transisi Metal
1.10 CAS Number
74401447439976
7429905
54386242
1.3 Jeneng papan Group
1.4 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.
Character length exceed error
3.2 sumber
Mining, Ores logam
Mining, Ores saka Minerals
3.3 History
3.3.1 sing katutup
Not Available
Ancient Chinese and Indians
3.4.1 Discovery
ing taun 1898
Sadurunge 2000 SM
3.5 turah mbrawah
3.5.1 Turah mbrawah Ing Universe
ora Sumadhiyaora Sumadhiya
5E-09
0.11
3.5.3 Turah mbrawah Ing Sun
~-9999 %~-9999 %
1E-08
0.1
3.8.2 Turah mbrawah Ing meteorit
ora Sumadhiyaora Sumadhiya
1.7E-07
22
3.10.2 Turah mbrawah Ing bumi lemah ndhuwur
4.4.3 Turah mbrawah Ing Segara
0.00 %ora Sumadhiya
2E-23
1.1
5.2.5 Turah mbrawah Ing Manungsa
0.00 %ora Sumadhiya
1E-13
1.4
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.
- Punika logam cair ing suhu ruangan, nanging logam abot beracun lan Empu akeh Efesus saka Mercury ing review utawa wiwit ilang.
- Iku lanang digunakake minangka katalis ing industri kimia.
6.1.1 Ulah Industrial
NA
Industry Listrik, Industry Elektronik
6.1.2 Ulah Medical
Industry Pharmaceutical
Dentistry
6.1.3 Ulah liyane
NA
wesi, Manufacturing mirror, Industry Pharmaceutical
6.2 Properties biologi
6.2.1 keracunan
Highly Toxic
Highly Toxic
6.2.2 Saiki ing badan Human
6.2.3 Sang
ora Sumadhiya0.01 Sang / mg dm-3
0
1970
7.1.1 ing Bone
ora Sumadhiya0.45 ppm
0
170000
8 fisik
8.1 leleh Point
700.00 ° Cora Sumadhiya
27
3410
8.4 Boiling Point
1,737.00 ° C356.58 ° C
147
5660
9.3 katon
9.3.1 State fisik
9.3.2 warna
9.3.3 luster
9.4 atose
9.4.1 Mohs atose
ora Sumadhiyaora Sumadhiya
0.2
8.5
9.5.1 Brinell atose
ora Sumadhiyaora Sumadhiya
0.14
3490
10.2.3 Vickers atose
ora Sumadhiyaora Sumadhiya
121
3430
11.4 Kacepetan swara
ora Sumadhiya1,451.40 m / s
818
16200
11.8 Properties Optical
11.8.1 bias Index
ora Sumadhiya1.00
1.000933
1.7229
11.8.2 reflectivity
ora Sumadhiya73.00 %
58
97
11.9 allotropes
11.9.1 α allotropes
ora Sumadhiya
ora Sumadhiya
11.9.2 β allotropes
ora Sumadhiya
ora Sumadhiya
11.9.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
12 Kimia
12.1 Formula Kimia
12.2 isotop
12.2.1 Isotop dikenal
12.3 keelektronegatifan
12.3.1 Pauling Elektronegativitas
12.4.2 Sanderson Elektronegativitas
ora Sumadhiya2.20
0.22
2.56
12.6.3 Allred Rochow Elektronegativitas
12.7.4 Mulliken-Jaffe Elektronegativitas
13.2.3 Allen Elektronegativitas
13.4 Electropositivity
13.4.1 Pauling Electropositivity
13.5 tenogo ionisasi
13.5.1 Level Energy 1st
509.30 kJ / mol1,007.10 kJ / mol
375.7
26130
13.5.3 Level Energy 2
979.00 kJ / mol1,810.00 kJ / mol
710.2162
28750
13.5.7 Level Energy 3rd
ora Sumadhiya3,300.00 kJ / mol
1600
34230
13.5.10 Level Energy 4
ora Sumadhiyaora Sumadhiya
2780
37066
13.5.13 Level Energy 5th
ora Sumadhiyaora Sumadhiya
4305.2
97510
13.5.15 Level Energy 6th
ora Sumadhiyaora Sumadhiya
5715.8
105800
13.6.2 tingkat Energy 7
ora Sumadhiyaora Sumadhiya
7226.8
114300
13.7.3 Level Energy 8
ora Sumadhiyaora Sumadhiya
8857.4
125300
13.7.6 Level Energy 9
ora Sumadhiyaora Sumadhiya
14110
134700
13.7.9 Level Energy 10th
ora Sumadhiyaora Sumadhiya
17100
144300
13.7.13 Level Energy 11
ora Sumadhiyaora Sumadhiya
19900
169988
13.7.17 Level Energy 12
ora Sumadhiyaora Sumadhiya
22219
189368
13.7.22 Level Energy 13
ora Sumadhiyaora Sumadhiya
26930
76015
13.7.27 Level Energy 14
ora Sumadhiyaora Sumadhiya
29196
86450
13.8.1 Level Energy 15
ora Sumadhiyaora Sumadhiya
41987
97510
13.8.3 Level Energy 16
ora Sumadhiyaora Sumadhiya
47206
109480
14.1.1 Level Energy 17
ora Sumadhiyaora Sumadhiya
52737
122200
14.1.3 Level Energy 18
ora Sumadhiyaora Sumadhiya
58570
134810
14.4.3 Level Energy 19
ora Sumadhiyaora Sumadhiya
64702
148700
14.4.6 Level Energy 20
ora Sumadhiyaora Sumadhiya
80400
171200
14.4.7 Level Energy 21
ora Sumadhiyaora Sumadhiya
87000
179100
14.4.10 Level Energy 22
ora Sumadhiyaora Sumadhiya
93400
184900
14.4.11 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
14.5.2 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
14.5.5 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
14.5.7 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
14.5.9 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
14.6.2 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
14.6.3 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
14.7.2 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
14.9 padha karo elektrokimia
4.22 g / amp-day3.74 g / amp-day
0.16812
8.3209
14.12 Fungsi Work elektron
ora Sumadhiya4.49 eV
2.14
5.65
15.2 Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
Flammability, ionisasi, kelarutan
16 atom
16.1 Panggil atom
16.2 Konfigurasi elektron
[Rn] 7s 2
[Xe] 4F 14 5d 10 6s 2
16.3 Struktur Crystal
Body tengah kubik (Bcc)
Rhombohedral (RHO)
16.3.1 Crystal pola
16.4 atom
16.4.1 Jumlah proton
16.6.1 Jumlah Neutron
16.8.1 Jumlah Èlèktron
16.11 Radius saka Atom
16.11.1 Radius atom
ora Sumadhiya151.00 pm
112
265
17.1.1 kovalen Radius
221.00 pm132.00 pm
96
260
17.1.3 Van der Waals Radius
283.00 pm155.00 pm
139
348
17.5 Bobot atom
226.00 Amu200.59 Amu
6.94
294
18.2 Volume atom
45.20 cm3 / mol14.82 cm3 / mol
1.39
71.07
18.3 Nomer atom jejer
18.3.1 unsur Previous
18.3.2 Sabanjure unsur
18.4 Potensi Valence Electron
20.10 (-eV)28.20 (-eV)
8
392.42
18.7 Constant pola
514.80 pm300.50 pm
228.58
891.25
18.8 pola Angles
18.9 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
19 Teknik
19.1 Kapadhetan
19.1.1 Kapadhetan Ing suhu kamar
5.50 g / cm 313.53 g / cm 3
0.534
40.7
20.1.1 Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiyaora Sumadhiya
0.512
20
20.4 Strength tensile
ora Sumadhiyaora Sumadhiya
2.5
11000
20.7 viskositas
ora Sumadhiya0.00
0.001526
0.001526
20.8 meksa beluk
20.8.1 Meksa beluk ing 1000 K
ora Sumadhiyaora Sumadhiya
2.47E-11
121
20.10.1 Meksa beluk ing 2000 K
ora Sumadhiyaora Sumadhiya
2.62E-10
774
20.12 situs kelenturan
20.12.1 nyukur pengaturan
ora Sumadhiyaora Sumadhiya
1.3
222
21.1.2 pengaturan akeh
ora Sumadhiyaora Sumadhiya
1.6
462
21.1.6 Young kang pengaturan
ora Sumadhiyaora Sumadhiya
1.7
528
21.4 Poisson rasio
ora Sumadhiyaora Sumadhiya
0.032
0.47
21.6 Properties Teknik liyane
22 Magnetic
22.1 Ciri Magnetic
22.1.1 Gravitasi tartamtu
22.2.2 Nindakake Magnetic
22.2.3 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
22.2.5 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
22.4 Properties Listrik
22.4.1 Property Listrik
22.4.2 resistivity
100.00 nΩ · m961.00 nΩ · m
0.18
961
22.4.4 konduktivitas listrik
ora Sumadhiya0.01 10 6 / cm Ω
0.00666
0.63
22.4.6 elektron Affinity
ora Sumadhiya0.00 kJ / mol
0
222.8
23 termal
23.1 Kalor tartamtu
0.12 J / (kg K)0.14 J / (kg K)
0.11
3.6
24.2 Graham Kapasitas kalor
ora Sumadhiya27.98 J / mol · K
16.443
62.7
24.3 doyo termal
18.60 W / m · K8.30 W / m · K
6.3
429
24.5 suhu kritis
ora Sumadhiya1,750.00 K
26.3
3223
24.6 Expansion termal
ora Sumadhiya60.40 μm / (m · K)
4.5
97
24.7 enthalpy
24.7.1 Enthalpy panguapan
ora Sumadhiya56.90 kJ / mol
7.32
799.1
24.7.3 Enthalpy saka Fusion
ora Sumadhiya2.29 kJ / mol
2.1
35.23
25.1.1 Enthalpy saka atomization
163.00 kJ / mol61.50 kJ / mol
61.5
837
25.3 Standard molar Entropy
71.00 J / mol.K75.80 J / mol.K
9.5
198.1