Symbol
Mo
Cr
Panggil Group
66
0
17
👆🏻
Panggil periode
54
2
7
👆🏻
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
74399877440473
7429905
54386242
👆🏻
Jeneng papan Group
3M Im_
3M Im_
Space Group Number
229.00229.00
11
276
👆🏻
Facts Interesting
- Molybdenum iku metal reaktif, Empu ora ketemu gratis ing alam.
- Nganti unsur Molybdenum abad 18 padha asring mistaken minangka karbon utawa Lead.
- 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
Found in Minerals, Mining, Ores saka Minerals
Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Carl Wilhelm Scheele
Louis Nicolas Vauquelin
Discovery
ing 1778
Ing Antarane 1797 - 1798
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.30 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.01 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- wesi digunakake kanggo nggawe bagean engine, penggerek, saw blade, etc.
- Ndhuk aditif arupi Molybdenum disulfide bisa digunaake ing industri. Sampeyan uga dipigunakaké minangka katalis.
- Iki digunakake kanggo harden baja lan mrodhuksi stainless steel lan macem-macem wesi liyane.
- Iki uga digunakake kanggo menehi finish sing tepat kanggo mirrors polesan. Piring kromium digunakake ing perlengkapan jedhing.
Ulah Industrial
Industry Aerospace, Industry Listrik, Industry Elektronik
Industry automobile, Industri Kimia
Ulah Medical
-
-
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.00 Sang / mg dm-30.11 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.70 ppm0.33 ppm
0
170000
👆🏻
leleh Point
2,617.00 ° C1,857.00 ° C
-38.83
3410
👆🏻
Boiling Point
4,612.00 ° C2,672.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
Gray
Silver
luster
metallic
metallic
atose
Mohs atose
5.508.50
0.2
8.5
👆🏻
Brinell atose
1,370.00 MPa687.00 MPa
0.14
3490
👆🏻
Vickers atose
1,400.00 MPa1,060.00 MPa
0
3920
👆🏻
Kacepetan swara
5,400.00 m / s5,940.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
2.002.97
0.155
3.41
👆🏻
reflectivity
58.00 %70.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Mo
Cr
isotop
Isotop dikenal
2521
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
2.161.66
0
2.6
👆🏻
Sanderson Elektronegativitas
1.151.66
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.301.56
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
2.161.66
0.62
2.48
👆🏻
Allen Elektronegativitas
2.161.65
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
1.842.34
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
684.30 kJ / mol26,130.00 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,560.00 kJ / mol28,750.00 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,618.00 kJ / mol34,230.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
4,480.00 kJ / mol37,066.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,257.00 kJ / mol97,510.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
6,640.80 kJ / mol105,800.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
12,125.00 kJ / mol114,300.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
13,860.00 kJ / mol125,300.00 kJ / mol
730
125300
👆🏻
Level Energy 9
15,835.00 kJ / mol134,700.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
17,980.00 kJ / mol144,300.00 kJ / mol
392
144300
👆🏻
Level Energy 11
20,190.00 kJ / mol26,130.00 kJ / mol
392
169988
👆🏻
Level Energy 12
22,219.00 kJ / mol28,750.00 kJ / mol
0
189368
👆🏻
Level Energy 13
26,930.00 kJ / mol34,230.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
29,196.00 kJ / mol37,066.00 kJ / mol
380
86450
👆🏻
Level Energy 15
52,490.00 kJ / mol97,510.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
55,000.00 kJ / mol105,800.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
61,400.00 kJ / mol114,300.00 kJ / mol
375.7
122200
👆🏻
Level Energy 18
67,700.00 kJ / mol125,300.00 kJ / mol
0
134810
👆🏻
Level Energy 19
74,000.00 kJ / mol134,700.00 kJ / mol
375.7
148700
👆🏻
Level Energy 20
80,400.00 kJ / mol144,300.00 kJ / mol
0
171200
👆🏻
Level Energy 21
87,000.00 kJ / mol157,700.00 kJ / mol
375.7
179100
👆🏻
Level Energy 22
93,400.00 kJ / mol166,090.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
98,420.00 kJ / mol653.80 kJ / mol
357.6
198800
👆🏻
Level Energy 24
104,400.00 kJ / mol653.80 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
121,900.00 kJ / mol653.80 kJ / mol
0
121900
👆🏻
Level Energy 26th
127,700.00 kJ / mol653.80 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
133,800.00 kJ / mol652.90 kJ / mol
0
133800
👆🏻
Level Energy 28th
139,800.00 kJ / mol653.80 kJ / mol
297.3
139800
👆🏻
Level Energy 29
148,100.00 kJ / mol653.80 kJ / mol
0
148100
👆🏻
Level Energy 30
154,500.00 kJ / mol653.80 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
0.89 g / amp-day0.32 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.60 eV4.50 eV
2.14
6
👆🏻
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
Panggil atom
4224
3
117
👆🏻
Konfigurasi elektron
[Kr] 4d 5 5S 1
[Ar] 3d 5 4s 1
Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
Crystal pola
atom
Jumlah proton
4224
3
117
👆🏻
Jumlah Neutron
5428
4
285
👆🏻
Jumlah Èlèktron
4224
3
117
👆🏻
Radius saka Atom
Radius atom
139.00 pm128.00 pm
0
348
👆🏻
kovalen Radius
154.00 pm139.00 pm
0
260
👆🏻
Van der Waals Radius
200.00 pm200.00 pm
0
348
👆🏻
Bobot atom
95.95 Amu52.00 Amu
6.94
294
👆🏻
Volume atom
9.40 cm3 / mol7.23 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
88.60 (-eV)170.00 (-eV)
0
392.42
👆🏻
Constant pola
314.70 pm291.00 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
1.031.86
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
10.28 g / cm 37.19 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
9.33 g / cm36.30 g / cm3
0.512
41
👆🏻
Strength tensile
324.00 MPa689.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)774.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
126.00 GPA115.00 GPA
1.3
222
👆🏻
pengaturan akeh
230.00 GPA160.00 GPA
0
462
👆🏻
Young kang pengaturan
329.00 GPA279.00 GPA
0
528
👆🏻
Poisson rasio
0.310.21
0.032
0.47
👆🏻
Properties Teknik liyane
ductile, Weldable
-
Ciri Magnetic
Gravitasi tartamtu
10.227.19
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
Antiferromagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Semiconductor
-
resistivity
53.40 nΩ · m125.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.19 10 6 / cm Ω0.08 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
71.90 kJ / mol64.30 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.25 J / (kg K)0.45 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
24.06 J / mol · K23.35 J / mol · K
13.1
62.7
👆🏻
doyo termal
138.00 W / m · K93.90 W / m · K
0
429
👆🏻
suhu kritis
2,896.00 K1,907.00 K
26.3
3695
👆🏻
Expansion termal
4.80 μm / (m · K)4.90 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
594.10 kJ / mol348.80 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
27.61 kJ / mol15.31 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
653.00 kJ / mol397.50 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
28.70 J / mol.K23.80 J / mol.K
9.5
198.1
👆🏻