mbandhingaké uranium lan krom
Tabel périodik
Symbol
U
Cr
Panggil Group
0
18
6
12
Panggil periode
7
4
Block
pemblokiran f
d block
Family unsur
actinide
transisi Metal
CAS Number
7440611
28
7440473
39
Jeneng papan Group
Cmcm
3M Im_
Space Group Number
63.00
10
229.00
1
facts
Facts Interesting
- negara mining utama saka Uranium kalebu Rusia, Australia, Namibia, Kanada lan Niger lan total 33% Uranium sing mine ing Kazakhstan.
- 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.
sumber
bumi lemah ndhuwur, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Not Available
Louis Nicolas Vauquelin
Discovery
ing taun 1789
Ing Antarane 1797 - 1798
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-8 %
29
1.5 * 10-3 %
7
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.002 %
7
Turah mbrawah Ing meteorit
0.00 %
99+
0.30 %
7
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
36
0.01 %
13
Turah mbrawah Ing Segara
0.00 %
11
0.00 %
16
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
16
ulah
Ulah lan Wuku
- Gunakake utama saka logam kalebu bahan bakar nuklir kang digunakake kanggo generate yin listrik stasiun daya nuklir.
- unsur sintetis kaya transuranium sing digawe saka logam Uranium.
Character length exceed error
Ulah Industrial
Industry amunisi, Industri Kimia
Industry automobile, Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
wesi, Jewellery, Bahan bakar nuklir reaktor kang, patung, Statues
wesi
Properties biologi
keracunan
Toxic
Highly Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.11 Sang / mg dm-3
12
ing Bone
ora Sumadhiya
0.33 ppm
21
fisik Properties
leleh Point
1,132.00 ° C
39
1,857.00 ° C
14
Boiling Point
3,818.00 ° C
16
2,672.00 ° C
39
katon
State fisik
Solid
Solid
warna
perak Gray
Silver
luster
metallic
metallic
atose
Mohs atose
6.00
6
8.50
1
Brinell atose
2,350.00 MPa
2
687.00 MPa
16
Vickers atose
1,960.00 MPa
2
1,060.00 MPa
10
Kacepetan swara
3,155.00 m / s
25
5,940.00 m / s
5
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
U
Cr
isotop
Isotop dikenal
25
14
21
18
keelektronegatifan
Pauling Elektronegativitas
1.38
28
1.66
18
Sanderson Elektronegativitas
ora Sumadhiya
1.66
14
Allred Rochow Elektronegativitas
1.22
26
1.56
10
Allen Elektronegativitas
ora Sumadhiya
1.65
19
Electropositivity
Pauling Electropositivity
2.62
26
2.34
36
tenogo ionisasi
Level Energy 1st
597.60 kJ / mol
99+
26,130.00 kJ / mol
1
Level Energy 2
1,420.00 kJ / mol
99+
28,750.00 kJ / mol
1
Level Energy 3rd
1,900.00 kJ / mol
99+
34,230.00 kJ / mol
1
Level Energy 4
3,145.00 kJ / mol
99+
37,066.00 kJ / mol
1
Level Energy 5th
ora Sumadhiya
97,510.00 kJ / mol
1
Level Energy 6th
ora Sumadhiya
105,800.00 kJ / mol
1
tingkat Energy 7
ora Sumadhiya
114,300.00 kJ / mol
1
Level Energy 8
ora Sumadhiya
125,300.00 kJ / mol
1
Level Energy 9
ora Sumadhiya
134,700.00 kJ / mol
1
Level Energy 10th
ora Sumadhiya
144,300.00 kJ / mol
1
Level Energy 11
ora Sumadhiya
26,130.00 kJ / mol
12
Level Energy 12
ora Sumadhiya
28,750.00 kJ / mol
13
Level Energy 13
ora Sumadhiya
34,230.00 kJ / mol
10
Level Energy 14
ora Sumadhiya
37,066.00 kJ / mol
12
Level Energy 15
ora Sumadhiya
97,510.00 kJ / mol
1
Level Energy 16
ora Sumadhiya
105,800.00 kJ / mol
2
Level Energy 17
ora Sumadhiya
114,300.00 kJ / mol
3
Level Energy 18
ora Sumadhiya
125,300.00 kJ / mol
4
Level Energy 19
ora Sumadhiya
134,700.00 kJ / mol
5
Level Energy 20
ora Sumadhiya
144,300.00 kJ / mol
7
Level Energy 21
ora Sumadhiya
157,700.00 kJ / mol
7
Level Energy 22
ora Sumadhiya
166,090.00 kJ / mol
6
padha karo elektrokimia
1.48 g / amp-day
99+
0.32 g / amp-day
99+
Fungsi Work elektron
3.63 eV
30
4.50 eV
14
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
92
26
24
99+
Konfigurasi elektron
[Rn] 5F 3 6D 1 7s 2
[Ar] 3d 5 4s 1
Struktur Crystal
Orthorhombic (Orth)
Body tengah kubik (Bcc)
Crystal pola
ORTH-Crystal-Structure-of-Uranium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
92
26
24
99+
Jumlah Neutron
146
13
28
99+
Jumlah Èlèktron
92
26
24
99+
Radius saka Atom
Radius atom
156.00 pm
29
128.00 pm
99+
kovalen Radius
196.00 pm
14
139.00 pm
99+
Van der Waals Radius
186.00 pm
33
200.00 pm
28
Bobot atom
238.03 Amu
21
52.00 Amu
99+
Volume atom
12.59 cm3 / mol
40
7.23 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
170.00 (-eV)
4
170.00 (-eV)
4
Constant pola
295.08 pm
99+
291.00 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
19.10 g / cm 3
17
7.19 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
17.30 g / cm3
7
6.30 g / cm3
40
Strength tensile
ora Sumadhiya
689.00 MPa
7
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
24
Meksa beluk ing 2000 K
0.01 (Pa)
20
774.00 (Pa)
1
situs kelenturan
nyukur pengaturan
111.00 GPA
10
115.00 GPA
9
pengaturan akeh
100.00 GPA
16
160.00 GPA
11
Young kang pengaturan
208.00 GPA
10
279.00 GPA
8
Poisson rasio
0.23
30
0.21
32
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
18.80
10
7.19
99+
Nindakake Magnetic
paramagnetic
Antiferromagnetic
Properties Listrik
Property Listrik
Arman miskin
NA
resistivity
0.28 nΩ · m
99+
125.00 nΩ · m
27
konduktivitas listrik
0.04 10 6 / cm Ω
37
0.08 10 6 / cm Ω
25
elektron Affinity
ora Sumadhiya
64.30 kJ / mol
15
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.45 J / (kg K)
12
Graham Kapasitas kalor
27.67 J / mol · K
15
23.35 J / mol · K
99+
doyo termal
27.50 W / m · K
40
93.90 W / m · K
17
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
13.90 μm / (m · K)
27
4.90 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
477.00 kJ / mol
13
348.80 kJ / mol
24
Enthalpy saka Fusion
15.48 kJ / mol
19
15.31 kJ / mol
20
Enthalpy saka atomization
489.50 kJ / mol
14
397.50 kJ / mol
21
Standard molar Entropy
50.20 J / mol.K
31
23.80 J / mol.K
99+
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