1 Tabel périodik
1.1 Symbol
1.2 Panggil Group
1.4 Panggil periode
1.7 Block
1.8 Family unsur
transisi Metal
alkalin bumi
1.9 CAS Number
74404737440144
7429905
54386242
1.10 Jeneng papan Group
1.11 Space Group Number
2 facts
2.1 Facts Interesting
- Krom punika reaktif, Empu durung ketemu gratis ing alam.
- Ores saka Chromites Mineral sing sumber utama saka logam Krom.
- Meh 90% penyamakan kulit wis rampung karo bantuan saka krom.
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
2.2 sumber
Found in Minerals, Mining, Ores logam, Ores saka Minerals
Mining, Ores logam
2.3 History
2.3.1 sing katutup
Louis Nicolas Vauquelin
Not Available
2.3.2 Discovery
Ing Antarane 1797 - 1798
ing taun 1898
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
1.5 * 10-3 %ora Sumadhiya
5E-09
0.11
2.5.1 Turah mbrawah Ing Sun
~0.002 %~-9999 %
1E-08
0.1
2.6.2 Turah mbrawah Ing meteorit
0.30 %ora Sumadhiya
1.7E-07
22
3.2.2 Turah mbrawah Ing bumi lemah ndhuwur
3.3.3 Turah mbrawah Ing Segara
3.3.5 Turah mbrawah Ing Manungsa
4 ulah
4.1 Ulah lan Wuku
Character length exceed error
- 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 automobile, Industri Kimia
NA
4.1.2 Ulah Medical
NA
Industry Pharmaceutical
4.1.3 Ulah liyane
4.2 Properties biologi
4.2.1 keracunan
Highly Toxic
Highly Toxic
4.2.2 Saiki ing badan Human
4.2.3 Sang
0.11 Sang / mg dm-3ora Sumadhiya
0
1970
4.3.2 ing Bone
0.33 ppmora Sumadhiya
0
170000
5 fisik
5.1 leleh Point
1,857.00 ° C700.00 ° C
27
3410
5.2 Boiling Point
2,672.00 ° C1,737.00 ° C
147
5660
5.3 katon
5.3.1 State fisik
5.3.2 warna
5.3.3 luster
5.4 atose
5.4.1 Mohs atose
8.50ora Sumadhiya
0.2
8.5
5.4.3 Brinell atose
687.00 MPaora Sumadhiya
0.14
3490
5.4.6 Vickers atose
1,060.00 MPaora Sumadhiya
121
3430
5.5 Kacepetan swara
5,940.00 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
ora Sumadhiyaora 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
6.3.3 Sanderson Elektronegativitas
1.66ora Sumadhiya
0.22
2.56
6.3.4 Allred Rochow Elektronegativitas
6.3.6 Mulliken-Jaffe Elektronegativitas
ora Sumadhiya0.92
0.62
2.48
6.3.7 Allen Elektronegativitas
6.4 Electropositivity
6.4.1 Pauling Electropositivity
6.5 tenogo ionisasi
6.5.1 Level Energy 1st
26,130.00 kJ / mol509.30 kJ / mol
375.7
26130
6.5.3 Level Energy 2
28,750.00 kJ / mol979.00 kJ / mol
710.2162
28750
6.5.4 Level Energy 3rd
34,230.00 kJ / molora Sumadhiya
1600
34230
6.5.6 Level Energy 4
37,066.00 kJ / molora Sumadhiya
2780
37066
6.5.7 Level Energy 5th
97,510.00 kJ / molora Sumadhiya
4305.2
97510
6.5.9 Level Energy 6th
105,800.00 kJ / molora Sumadhiya
5715.8
105800
6.5.10 tingkat Energy 7
114,300.00 kJ / molora Sumadhiya
7226.8
114300
6.5.12 Level Energy 8
125,300.00 kJ / molora Sumadhiya
8857.4
125300
6.5.14 Level Energy 9
134,700.00 kJ / molora Sumadhiya
14110
134700
6.5.16 Level Energy 10th
144,300.00 kJ / molora Sumadhiya
17100
144300
6.5.18 Level Energy 11
26,130.00 kJ / molora Sumadhiya
19900
169988
6.5.21 Level Energy 12
28,750.00 kJ / molora Sumadhiya
22219
189368
6.5.24 Level Energy 13
34,230.00 kJ / molora Sumadhiya
26930
76015
6.5.27 Level Energy 14
37,066.00 kJ / molora Sumadhiya
29196
86450
6.5.29 Level Energy 15
97,510.00 kJ / molora Sumadhiya
41987
97510
6.6.1 Level Energy 16
105,800.00 kJ / molora Sumadhiya
47206
109480
6.7.1 Level Energy 17
114,300.00 kJ / molora Sumadhiya
52737
122200
7.1.1 Level Energy 18
125,300.00 kJ / molora Sumadhiya
58570
134810
7.1.2 Level Energy 19
134,700.00 kJ / molora Sumadhiya
64702
148700
7.4.2 Level Energy 20
144,300.00 kJ / molora Sumadhiya
80400
171200
7.4.4 Level Energy 21
157,700.00 kJ / molora Sumadhiya
87000
179100
7.4.5 Level Energy 22
166,090.00 kJ / molora Sumadhiya
93400
184900
7.4.7 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
98420
198800
7.4.8 Level Energy 24
ora Sumadhiyaora Sumadhiya
104400
195200
7.5.2 Level Energy 25th
ora Sumadhiyaora Sumadhiya
121900
121900
7.5.4 Level Energy 26th
ora Sumadhiyaora Sumadhiya
127700
127700
7.5.6 Level Energy 27th
ora Sumadhiyaora Sumadhiya
133800
133800
7.6.1 Level Energy 28th
ora Sumadhiyaora Sumadhiya
139800
139800
7.6.2 Level Energy 29
ora Sumadhiyaora Sumadhiya
148100
148100
7.7.1 Level Energy 30
ora Sumadhiyaora Sumadhiya
154500
154500
7.8 padha karo elektrokimia
0.32 g / amp-day4.22 g / amp-day
0.16812
8.3209
1.3 Fungsi Work elektron
4.50 eVora Sumadhiya
2.14
5.65
1.5 Properties Kimia liyane
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
2 atom
2.2 Panggil atom
3.5 Konfigurasi elektron
3.6 Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
3.6.1 Crystal pola
3.7 atom
3.7.1 Jumlah proton
3.9.1 Jumlah Neutron
3.10.1 Jumlah Èlèktron
3.13 Radius saka Atom
3.13.1 Radius atom
128.00 pmora Sumadhiya
112
265
3.13.3 kovalen Radius
139.00 pm221.00 pm
96
260
3.14.2 Van der Waals Radius
200.00 pm283.00 pm
139
348
3.15 Bobot atom
52.00 Amu226.00 Amu
6.94
294
3.16 Volume atom
7.23 cm3 / mol45.20 cm3 / mol
1.39
71.07
3.18 Nomer atom jejer
3.18.1 unsur Previous
3.18.2 Sabanjure unsur
3.19 Potensi Valence Electron
170.00 (-eV)20.10 (-eV)
8
392.42
4.2 Constant pola
291.00 pm514.80 pm
228.58
891.25
4.3 pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
4.4 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
1.567
1.886
5 Teknik
5.1 Kapadhetan
5.1.1 Kapadhetan Ing suhu kamar
7.19 g / cm 35.50 g / cm 3
0.534
40.7
5.2.3 Kapadhetan Nalika Liquid (ing mp)
6.30 g / cm3ora Sumadhiya
0.512
20
5.3 Strength tensile
689.00 MPaora Sumadhiya
2.5
11000
5.4 viskositas
ora Sumadhiyaora Sumadhiya
0.001526
0.001526
6.2 meksa beluk
6.2.1 Meksa beluk ing 1000 K
0.00 (Pa)ora Sumadhiya
2.47E-11
121
6.3.1 Meksa beluk ing 2000 K
774.00 (Pa)ora Sumadhiya
2.62E-10
774
6.5 situs kelenturan
6.5.1 nyukur pengaturan
115.00 GPAora Sumadhiya
1.3
222
6.6.1 pengaturan akeh
160.00 GPAora Sumadhiya
1.6
462
6.7.1 Young kang pengaturan
279.00 GPAora Sumadhiya
1.7
528
6.9 Poisson rasio
0.21ora Sumadhiya
0.032
0.47
6.10 Properties Teknik liyane
7 Magnetic
7.1 Ciri Magnetic
7.1.1 Gravitasi tartamtu
7.1.3 Nindakake Magnetic
Antiferromagnetic
nonmagnetic
7.1.4 permeabilitas
ora Sumadhiyaora Sumadhiya
1.25643E-06
0.0063
7.2.1 kelemahan
ora Sumadhiyaora Sumadhiya
-0.000166
200000
7.3 Properties Listrik
7.3.1 Property Listrik
7.3.2 resistivity
125.00 nΩ · m100.00 nΩ · m
0.18
961
7.3.3 konduktivitas listrik
0.08 10 6 / cm Ωora Sumadhiya
0.00666
0.63
7.3.4 elektron Affinity
64.30 kJ / molora Sumadhiya
0
222.8
8 termal
8.1 Kalor tartamtu
0.45 J / (kg K)0.12 J / (kg K)
0.11
3.6
8.2 Graham Kapasitas kalor
23.35 J / mol · Kora Sumadhiya
16.443
62.7
8.3 doyo termal
93.90 W / m · K18.60 W / m · K
6.3
429
8.4 suhu kritis
ora Sumadhiyaora Sumadhiya
26.3
3223
8.5 Expansion termal
4.90 μm / (m · K)ora Sumadhiya
4.5
97
8.6 enthalpy
8.6.1 Enthalpy panguapan
348.80 kJ / molora Sumadhiya
7.32
799.1
8.6.2 Enthalpy saka Fusion
15.31 kJ / molora Sumadhiya
2.1
35.23
8.6.3 Enthalpy saka atomization
397.50 kJ / mol163.00 kJ / mol
61.5
837
8.7 Standard molar Entropy
23.80 J / mol.K71.00 J / mol.K
9.5
198.1