1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
2.3 Panggil periode
2.4 Block
2.5 Family unsur
transisi Metal
alkalin bumi
2.7 CAS Number
74404397440144
7429905
54386242
2.8 Jeneng papan Group
2.9 Space Group Number
3 facts
3.1 Facts Interesting
Character length exceed error
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
3.2 sumber
Found Minangka By-produk, Found in Minerals, Mining
Mining, Ores logam
3.3 History
3.3.1 sing katutup
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
Not Available
3.3.3 Discovery
3.4 turah mbrawah
3.4.1 Turah mbrawah Ing Universe
2 * 10-7 %ora Sumadhiya
5E-09
0.11
3.4.3 Turah mbrawah Ing Sun
~0.0000006 %~-9999 %
1E-08
0.1
3.4.5 Turah mbrawah Ing meteorit
0.00 %ora Sumadhiya
1.7E-07
22
3.5.2 Turah mbrawah Ing bumi lemah ndhuwur
3.6.3 Turah mbrawah Ing Segara
3.6.5 Turah mbrawah Ing Manungsa
4 ulah
4.1 Ulah lan Wuku
- Wis Efesus banget winates minangka logam beracun lan bisa nimbulaké cacat lair, kanker, etc.
- Meh 80% saka logam kadmium digunakake ing Nikel Baterei kadmium lan saiki lagi njupuk diganti karo isotop nikel.
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
4.1.1 Ulah Industrial
Industry Aerospace, Industry amunisi, Industri Kimia, Industry Listrik, Industry Elektronik
NA
4.1.2 Ulah Medical
NA
Industry Pharmaceutical
4.1.3 Ulah liyane
4.2 Properties biologi
4.2.1 keracunan
4.2.2 Saiki ing badan Human
4.2.3 Sang
0.01 Sang / mg dm-3ora Sumadhiya
0
1970
4.2.5 ing Bone
1.80 ppmora Sumadhiya
0
170000
5 fisik
5.1 leleh Point
320.90 ° C700.00 ° C
27
3410
5.2 Boiling Point
765.00 ° C1,737.00 ° C
147
5660
5.3 katon
5.3.1 State fisik
5.3.2 warna
Perak werna-Gray
perak Putih
5.3.3 luster
5.4 atose
5.4.1 Mohs atose
2.00ora Sumadhiya
0.2
8.5
5.4.4 Brinell atose
203.00 MPaora Sumadhiya
0.14
3490
5.4.6 Vickers atose
ora Sumadhiyaora Sumadhiya
121
3430
5.5 Kacepetan swara
2,310.00 m / sora Sumadhiya
818
16200
5.6 Properties Optical
5.6.1 bias Index
ora Sumadhiyaora Sumadhiya
1.000933
1.7229
5.6.3 reflectivity
67.00 %ora Sumadhiya
58
97
5.7 allotropes
5.7.1 α allotropes
ora Sumadhiya
ora Sumadhiya
5.7.2 β allotropes
ora Sumadhiya
ora Sumadhiya
5.7.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
6 Kimia
6.1 Formula Kimia
6.2 isotop
6.2.1 Isotop dikenal
6.3 keelektronegatifan
6.3.1 Pauling Elektronegativitas
6.3.5 Sanderson Elektronegativitas
1.98ora Sumadhiya
0.22
2.56
6.3.8 Allred Rochow Elektronegativitas
6.3.10 Mulliken-Jaffe Elektronegativitas
6.3.13 Allen Elektronegativitas
6.5 Electropositivity
6.5.1 Pauling Electropositivity
6.7 tenogo ionisasi
6.7.1 Level Energy 1st
867.80 kJ / mol509.30 kJ / mol
375.7
26130
7.1.1 Level Energy 2
1,631.40 kJ / mol979.00 kJ / mol
710.2162
28750
7.4.2 Level Energy 3rd
3,616.00 kJ / molora Sumadhiya
1600
34230
7.4.4 Level Energy 4
ora Sumadhiyaora Sumadhiya
2780
37066
7.4.6 Level Energy 5th
ora Sumadhiyaora Sumadhiya
4305.2
97510
7.5.2 Level Energy 6th
ora Sumadhiyaora Sumadhiya
5715.8
105800
7.5.4 tingkat Energy 7
ora Sumadhiyaora Sumadhiya
7226.8
114300
7.5.6 Level Energy 8
ora Sumadhiyaora Sumadhiya
8857.4
125300
7.6.1 Level Energy 9
ora Sumadhiyaora Sumadhiya
14110
134700
7.7.1 Level Energy 10th
ora Sumadhiyaora Sumadhiya
17100
144300
7.9.1 Level Energy 11
ora Sumadhiyaora Sumadhiya
19900
169988
7.10.1 Level Energy 12
ora Sumadhiyaora Sumadhiya
22219
189368
7.12.1 Level Energy 13
ora Sumadhiyaora Sumadhiya
26930
76015
8.1.2 Level Energy 14
ora Sumadhiyaora Sumadhiya
29196
86450
8.1.4 Level Energy 15
ora Sumadhiyaora Sumadhiya
41987
97510
8.2.1 Level Energy 16
ora Sumadhiyaora Sumadhiya
47206
109480
8.4.2 Level Energy 17
ora Sumadhiyaora Sumadhiya
52737
122200
8.4.4 Level Energy 18
ora Sumadhiyaora Sumadhiya
58570
134810
8.5.2 Level Energy 19
ora Sumadhiyaora Sumadhiya
64702
148700
8.5.3 Level Energy 20
ora Sumadhiyaora Sumadhiya
80400
171200
8.5.5 Level Energy 21
ora Sumadhiyaora Sumadhiya
87000
179100
8.5.7 Level Energy 22
ora Sumadhiyaora Sumadhiya
93400
184900
8.5.8 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
8.6.1 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
8.6.2 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
9.1.2 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
9.1.5 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
9.1.7 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
9.2.3 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
9.2.4 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
9.3 padha karo elektrokimia
2.10 g / amp-day4.22 g / amp-day
0.16812
8.3209
9.4 Fungsi Work elektron
4.22 eVora Sumadhiya
2.14
5.65
10.2 Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
11 atom
11.1 Panggil atom
11.4 Konfigurasi elektron
[Kr] 4d 10 5S 2
[Rn] 7s 2
11.5 Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Body tengah kubik (Bcc)
11.5.1 Crystal pola
11.6 atom
11.6.1 Jumlah proton
11.7.1 Jumlah Neutron
11.8.1 Jumlah Èlèktron
11.10 Radius saka Atom
11.10.1 Radius atom
151.00 pmora Sumadhiya
112
265
11.10.3 kovalen Radius
144.00 pm221.00 pm
96
260
11.10.4 Van der Waals Radius
158.00 pm283.00 pm
139
348
11.12 Bobot atom
112.41 Amu226.00 Amu
6.94
294
11.13 Volume atom
13.10 cm3 / mol45.20 cm3 / mol
1.39
71.07
11.14 Nomer atom jejer
11.14.1 unsur Previous
11.14.2 Sabanjure unsur
11.15 Potensi Valence Electron
30.00 (-eV)20.10 (-eV)
8
392.42
11.16 Constant pola
297.94 pm514.80 pm
228.58
891.25
11.17 pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
11.18 Pola C / A rasio
1.89ora Sumadhiya
1.567
1.886
12 Teknik
12.1 Kapadhetan
12.1.1 Kapadhetan Ing suhu kamar
8.65 g / cm 35.50 g / cm 3
0.534
40.7
12.1.2 Kapadhetan Nalika Liquid (ing mp)
8.00 g / cm3ora Sumadhiya
0.512
20
12.2 Strength tensile
62.00 MPaora Sumadhiya
2.5
11000
12.3 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
12.4 meksa beluk
12.4.1 Meksa beluk ing 1000 K
ora Sumadhiyaora Sumadhiya
2.47E-11
121
12.4.2 Meksa beluk ing 2000 K
ora Sumadhiyaora Sumadhiya
2.62E-10
774
12.5 situs kelenturan
12.5.1 nyukur pengaturan
19.00 GPAora Sumadhiya
1.3
222
12.5.2 pengaturan akeh
42.00 GPAora Sumadhiya
1.6
462
12.5.3 Young kang pengaturan
50.00 GPAora Sumadhiya
1.7
528
12.6 Poisson rasio
0.30ora Sumadhiya
0.032
0.47
12.7 Properties Teknik liyane
13 Magnetic
13.1 Ciri Magnetic
13.1.1 Gravitasi tartamtu
13.1.2 Nindakake Magnetic
13.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
13.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
13.2 Properties Listrik
13.2.1 Property Listrik
13.2.2 resistivity
72.70 nΩ · m100.00 nΩ · m
0.18
961
13.2.3 konduktivitas listrik
0.14 10 6 / cm Ωora Sumadhiya
0.00666
0.63
13.2.4 elektron Affinity
0.00 kJ / molora Sumadhiya
0
222.8
14 termal
14.1 Kalor tartamtu
0.23 J / (kg K)0.12 J / (kg K)
0.11
3.6
14.2 Graham Kapasitas kalor
26.02 J / mol · Kora Sumadhiya
16.443
62.7
14.3 doyo termal
96.60 W / m · K18.60 W / m · K
6.3
429
14.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
14.5 Expansion termal
30.80 μm / (m · K)ora Sumadhiya
4.5
97
14.6 enthalpy
14.6.1 Enthalpy panguapan
100.00 kJ / molora Sumadhiya
7.32
799.1
14.6.2 Enthalpy saka Fusion
6.19 kJ / molora Sumadhiya
2.1
35.23
14.6.3 Enthalpy saka atomization
113.00 kJ / mol163.00 kJ / mol
61.5
837
14.7 Standard molar Entropy
51.80 J / mol.K71.00 J / mol.K
9.5
198.1