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mendelevium
mendelevium

krom
krom



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mendelevium mungsuh krom

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1 Tabel périodik
1.1 Symbol
Md
Cr
1.2 Panggil Group
ora Sumadhiya6
Gadolinium metal
0 17
1.3 Panggil periode
74
lithium metal
2 7
1.4 Block
pemblokiran f
d block
1.5 Family unsur
actinide
transisi Metal
1.6 CAS Number
74401117440473
Aluminium metal
7429905 54386242
1.7 Jeneng papan Group
ora Sumadhiya
3M Im_
1.8 Space Group Number
ora Sumadhiya229.00
plutonium metal
11 229
2 facts
2.1 Facts Interesting
  • metal Mendelevium wis sintetik diprodhuksi logam.
  • metal Mendelevium wis diprodhuksi ing mung jumlah tilak.
  • 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.
2.2 sumber
Némbakaké einsteinium karo helium ion
Found in Minerals, Mining, Ores logam, Ores saka Minerals
2.3 History
2.3.1 sing katutup
Lawrence Berkeley National Laboratory
Louis Nicolas Vauquelin
2.3.2 Discovery
ing taun 1955
Ing Antarane 1797 - 1798
2.4 turah mbrawah
2.4.1 Turah mbrawah Ing Universe
ora Sumadhiya1.5 * 10-3 %
Thallium metal
5E-09 0.11
2.4.2 Turah mbrawah Ing Sun
~-9999 %~0.002 %
Beryllium metal
1E-08 0.1
2.4.3 Turah mbrawah Ing meteorit
ora Sumadhiya0.30 %
Gold metal
1.7E-07 22
2.4.4 Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya0.01 %
Radium metal
9.9E-12 8.1
2.4.5 Turah mbrawah Ing Segara
ora Sumadhiya0.00 %
Protaktinium metal
2E-23 1.1
2.4.6 Turah mbrawah Ing Manungsa
ora Sumadhiya0.00 %
Radium metal
1E-13 1.4
3 ulah
3.1 Ulah lan Wuku
  • Efesus saiki dikenal saka logam Mendelevium sing winates kanggo riset waé mung.
Character length exceed error
3.1.1 Ulah Industrial
NA
Industry automobile, Industri Kimia
3.1.2 Ulah Medical
NA
NA
3.1.3 Ulah liyane
NA
wesi
3.2 Properties biologi
3.2.1 keracunan
Unknown
Highly Toxic
3.2.2 Saiki ing badan Human
Ora
Ya
3.2.3 Sang
0.00 Sang / mg dm-30.11 Sang / mg dm-3
plutonium metal
0 1970
3.2.4 ing Bone
0.00 ppm0.33 ppm
plutonium metal
0 170000
4 fisik
4.1 leleh Point
827.00 ° C1,857.00 ° C
Francium metal
27 3410
4.2 Boiling Point
ora Sumadhiya2,672.00 ° C
Flerovium metal
147 5660
4.3 katon
4.3.1 State fisik
Solid
Solid
4.3.2 warna
Unknown
Silver
4.3.3 luster
metallic
metallic
4.4 atose
4.4.1 Mohs atose
ora Sumadhiya8.50
sesium metal
0.2 8.5
4.4.2 Brinell atose
ora Sumadhiya687.00 MPa
sesium metal
0.14 3490
4.4.3 Vickers atose
ora Sumadhiya1,060.00 MPa
Palladium metal
121 3430
4.5 Kacepetan swara
ora Sumadhiya5,940.00 m / s
Thallium metal
818 16200
4.6 Properties Optical
4.6.1 bias Index
ora Sumadhiyaora Sumadhiya
Mercury metal
1.000933 1.7229
4.6.2 reflectivity
ora Sumadhiyaora Sumadhiya
molybdenum metal
58 97
4.7 allotropes
Ora
Ora
4.7.1 α allotropes
ora Sumadhiya
ora Sumadhiya
4.7.2 β allotropes
ora Sumadhiya
ora Sumadhiya
4.7.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
5 Kimia
5.1 Formula Kimia
Md
Cr
5.2 isotop
5.2.1 Isotop dikenal
1621
Tennessine metal
0 38
5.3 keelektronegatifan
5.3.1 Pauling Elektronegativitas
1.301.66
Francium metal
0.7 2.54
5.3.2 Sanderson Elektronegativitas
ora Sumadhiya1.66
sesium metal
0.22 2.56
5.3.3 Allred Rochow Elektronegativitas
1.201.56
sesium metal
0.86 1.82
5.3.4 Mulliken-Jaffe Elektronegativitas
ora Sumadhiyaora Sumadhiya
sesium metal
0.62 2.48
5.3.5 Allen Elektronegativitas
ora Sumadhiya1.65
sesium metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.702.34
Gold metal
1.46 3.3
5.5 tenogo ionisasi
5.5.1 Level Energy 1st
635.00 kJ / mol26,130.00 kJ / mol
sesium metal
375.7 26130
5.5.2 Level Energy 2
1,235.00 kJ / mol28,750.00 kJ / mol
uranium metal
710.2162 28750
5.5.3 Level Energy 3rd
2,470.00 kJ / mol34,230.00 kJ / mol
osmium metal
1600 34230
5.5.4 Level Energy 4
3,840.00 kJ / mol37,066.00 kJ / mol
thorium metal
2780 37066
5.5.5 Level Energy 5th
ora Sumadhiya97,510.00 kJ / mol
dubnium metal
4305.2 97510
5.5.6 Level Energy 6th
ora Sumadhiya105,800.00 kJ / mol
Seaborgium metal
5715.8 105800
5.5.7 tingkat Energy 7
ora Sumadhiya114,300.00 kJ / mol
Bohrium metal
7226.8 114300
5.5.8 Level Energy 8
ora Sumadhiya125,300.00 kJ / mol
hassium metal
8857.4 125300
5.5.9 Level Energy 9
ora Sumadhiya134,700.00 kJ / mol
Yttrium metal
14110 134700
5.5.10 Level Energy 10th
ora Sumadhiya144,300.00 kJ / mol
strontium metal
17100 144300
5.5.11 Level Energy 11
ora Sumadhiya26,130.00 kJ / mol
Yttrium metal
19900 169988
5.5.12 Level Energy 12
ora Sumadhiya28,750.00 kJ / mol
molybdenum metal
22219 189368
5.5.13 Level Energy 13
ora Sumadhiya34,230.00 kJ / mol
molybdenum metal
26930 76015
5.5.14 Level Energy 14
ora Sumadhiya37,066.00 kJ / mol
molybdenum metal
29196 86450
5.5.15 Level Energy 15
ora Sumadhiya97,510.00 kJ / mol
Manganese metal
41987 97510
5.5.16 Level Energy 16
ora Sumadhiya105,800.00 kJ / mol
Iron metal
47206 109480
5.5.17 Level Energy 17
ora Sumadhiya114,300.00 kJ / mol
kobalt metal
52737 122200
5.5.18 Level Energy 18
ora Sumadhiya125,300.00 kJ / mol
Nickel metal
58570 134810
5.5.19 Level Energy 19
ora Sumadhiya134,700.00 kJ / mol
tembaga metal
64702 148700
5.5.20 Level Energy 20
ora Sumadhiya144,300.00 kJ / mol
molybdenum metal
80400 171200
5.5.21 Level Energy 21
ora Sumadhiya157,700.00 kJ / mol
molybdenum metal
87000 179100
5.5.22 Level Energy 22
ora Sumadhiya166,090.00 kJ / mol
molybdenum metal
93400 184900
5.5.23 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
molybdenum metal
98420 198800
5.5.24 Level Energy 24
ora Sumadhiyaora Sumadhiya
molybdenum metal
104400 195200
5.5.25 Level Energy 25th
ora Sumadhiyaora Sumadhiya
molybdenum metal
121900 121900
5.5.26 Level Energy 26th
ora Sumadhiyaora Sumadhiya
molybdenum metal
127700 127700
5.5.27 Level Energy 27th
ora Sumadhiyaora Sumadhiya
molybdenum metal
133800 133800
5.5.28 Level Energy 28th
ora Sumadhiyaora Sumadhiya
molybdenum metal
139800 139800
5.5.29 Level Energy 29
ora Sumadhiyaora Sumadhiya
molybdenum metal
148100 148100
5.5.30 Level Energy 30
ora Sumadhiyaora Sumadhiya
molybdenum metal
154500 154500
5.6 padha karo elektrokimia
3.21 g / amp-day0.32 g / amp-day
Beryllium metal
0.16812 8.3209
5.7 Fungsi Work elektron
ora Sumadhiya4.50 eV
sesium metal
2.14 5.65
5.8 Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
6 atom
6.1 Panggil atom
10124
lithium metal
3 117
6.2 Konfigurasi elektron
[Rn] 5F 13 7s 2
[Ar] 3d 5 4s 1
6.3 Struktur Crystal
ora Lake
Body tengah kubik (Bcc)
6.3.1 Crystal pola
6.4 atom
6.4.1 Jumlah proton
10124
lithium metal
3 117
6.4.2 Jumlah Neutron
15728
lithium metal
4 184
6.4.3 Jumlah Èlèktron
10124
lithium metal
3 117
6.5 Radius saka Atom
6.5.1 Radius atom
ora Sumadhiya128.00 pm
Beryllium metal
112 265
6.5.2 kovalen Radius
ora Sumadhiya139.00 pm
Beryllium metal
96 260
6.5.3 Van der Waals Radius
246.00 pm200.00 pm
seng metal
139 348
6.6 Bobot atom
258.00 Amu52.00 Amu
lithium metal
6.94 294
6.7 Volume atom
ora Sumadhiya7.23 cm3 / mol
Manganese metal
1.39 71.07
6.8 Nomer atom jejer
6.8.1 unsur Previous
6.8.2 Sabanjure unsur
6.9 Potensi Valence Electron
ora Sumadhiya170.00 (-eV)
Francium metal
8 392.42
6.10 Constant pola
ora Sumadhiya291.00 pm
Beryllium metal
228.58 891.25
6.11 pola Angles
NA
π/2, π/2, π/2
6.12 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
Beryllium metal
1.567 1.886
7 Teknik
7.1 Kapadhetan
7.1.1 Kapadhetan Ing suhu kamar
ora Sumadhiya7.19 g / cm 3
lithium metal
0.534 40.7
7.1.2 Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya6.30 g / cm3
lithium metal
0.512 20
7.2 Strength tensile
ora Sumadhiya689.00 MPa
Indium metal
2.5 11000
7.3 viskositas
ora Sumadhiyaora Sumadhiya
Mercury metal
0.001526 0.001526
7.4 meksa beluk
7.4.1 Meksa beluk ing 1000 K
ora Sumadhiya0.00 (Pa)
cerium metal
2.47E-11 121
7.4.2 Meksa beluk ing 2000 K
ora Sumadhiya774.00 (Pa)
tungsten metal
2.62E-10 774
7.5 situs kelenturan
7.5.1 nyukur pengaturan
ora Sumadhiya115.00 GPA
kalium metal
1.3 222
7.5.2 pengaturan akeh
ora Sumadhiya160.00 GPA
sesium metal
1.6 462
7.5.3 Young kang pengaturan
ora Sumadhiya279.00 GPA
sesium metal
1.7 528
7.6 Poisson rasio
ora Sumadhiya0.21
Beryllium metal
0.032 0.47
7.7 Properties Teknik liyane
Unknown
NA
8 Magnetic
8.1 Ciri Magnetic
8.1.1 Gravitasi tartamtu
ora Sumadhiya7.19
lithium metal
0.53 4500
8.1.2 Nindakake Magnetic
Unknown
Antiferromagnetic
8.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
Bismuth metal
1.25643E-06 0.0063
8.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
Bismuth metal
-0.000166 200000
8.2 Properties Listrik
8.2.1 Property Listrik
Unknown
NA
8.2.2 resistivity
ora Sumadhiya125.00 nΩ · m
Thallium metal
0.18 961
8.2.3 konduktivitas listrik
ora Sumadhiya0.08 10 6 / cm Ω
plutonium metal
0.00666 0.63
8.2.4 elektron Affinity
ora Sumadhiya64.30 kJ / mol
Mercury metal
0 222.8
9 termal
9.1 Kalor tartamtu
ora Sumadhiya0.45 J / (kg K)
americium metal
0.11 3.6
9.2 Graham Kapasitas kalor
ora Sumadhiya23.35 J / mol · K
Beryllium metal
16.443 62.7
9.3 doyo termal
ora Sumadhiya93.90 W / m · K
neptunium metal
6.3 429
9.4 suhu kritis
ora Sumadhiyaora Sumadhiya
ytterbium metal
26.3 3223
9.5 Expansion termal
ora Sumadhiya4.90 μm / (m · K)
tungsten metal
4.5 97
9.6 enthalpy
9.6.1 Enthalpy panguapan
ora Sumadhiya348.80 kJ / mol
seng metal
7.32 799.1
9.6.2 Enthalpy saka Fusion
ora Sumadhiya15.31 kJ / mol
sesium metal
2.1 35.23
9.6.3 Enthalpy saka atomization
ora Sumadhiya397.50 kJ / mol
Mercury metal
61.5 837
9.7 Standard molar Entropy
ora Sumadhiya23.80 J / mol.K
Beryllium metal
9.5 198.1