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1 Tabel périodik
1.1 Symbol
Cr
Cd
1.2 Panggil Group
612
Gadolinium unsur
0 17
2.3 Panggil periode
45
lithium unsur
2 7
2.5 Block
d block
d block
2.6 Family unsur
transisi Metal
transisi Metal
2.7 CAS Number
74404737440439
Aluminium unsur
7429905 54386242
2.8 Jeneng papan Group
3M Im_
P63 / mmc
2.9 Space Group Number
229.00194.00
plutonium unsur
11 229
3 facts
3.1 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.
Character length exceed error
3.2 sumber
Found in Minerals, Mining, Ores logam, Ores saka Minerals
Found Minangka By-produk, Found in Minerals, Mining
3.3 History
3.3.1 sing katutup
Louis Nicolas Vauquelin
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
3.3.2 Discovery
Ing Antarane 1797 - 1798
ing 1817
3.4 turah mbrawah
3.4.1 Turah mbrawah Ing Universe
1.5 * 10-3 %2 * 10-7 %
Thallium unsur
5E-09 0.11
3.4.3 Turah mbrawah Ing Sun
~0.002 %~0.0000006 %
Beryllium unsur
1E-08 0.1
3.5.2 Turah mbrawah Ing meteorit
0.30 %0.00 %
Gold unsur
1.7E-07 22
3.6.2 Turah mbrawah Ing bumi lemah ndhuwur
0.01 %0.00 %
Radium unsur
9.9E-12 8.1
3.6.4 Turah mbrawah Ing Segara
0.00 %0.00 %
Protaktinium unsur
2E-23 1.1
3.6.6 Turah mbrawah Ing Manungsa
0.00 %0.00 %
Radium unsur
1E-13 1.4
4 ulah
4.1 Ulah lan Wuku
Character length exceed error
  • 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.
4.1.1 Ulah Industrial
Industry automobile, Industri Kimia
Industry Aerospace, Industry amunisi, Industri Kimia, Industry Listrik, Industry Elektronik
4.1.2 Ulah Medical
NA
NA
4.1.3 Ulah liyane
wesi
wesi
4.2 Properties biologi
4.2.1 keracunan
Highly Toxic
Toxic
4.2.2 Saiki ing badan Human
Ya
Ya
4.2.3 Sang
0.11 Sang / mg dm-30.01 Sang / mg dm-3
plutonium unsur
0 1970
4.2.5 ing Bone
0.33 ppm1.80 ppm
plutonium unsur
0 170000
5 fisik
5.1 leleh Point
1,857.00 ° C320.90 ° C
Francium unsur
27 3410
5.2 Boiling Point
2,672.00 ° C765.00 ° C
Flerovium unsur
147 5660
5.3 katon
5.3.1 State fisik
Solid
Solid
5.3.2 warna
Silver
Perak werna-Gray
5.3.3 luster
metallic
metallic
5.4 atose
5.4.1 Mohs atose
8.502.00
sesium unsur
0.2 8.5
5.4.3 Brinell atose
687.00 MPa203.00 MPa
sesium unsur
0.14 3490
5.4.6 Vickers atose
1,060.00 MPaora Sumadhiya
Palladium unsur
121 3430
5.5 Kacepetan swara
5,940.00 m / s2,310.00 m / s
Thallium unsur
818 16200
5.6 Properties Optical
5.6.1 bias Index
ora Sumadhiyaora Sumadhiya
Mercury unsur
1.000933 1.7229
5.6.2 reflectivity
ora Sumadhiya67.00 %
molybdenum unsur
58 97
5.7 allotropes
Ora
Ora
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
Cr
Cd
6.2 isotop
6.2.1 Isotop dikenal
2134
Tennessine unsur
0 38
6.3 keelektronegatifan
6.3.1 Pauling Elektronegativitas
1.661.69
Francium unsur
0.7 2.54
6.3.3 Sanderson Elektronegativitas
1.661.98
sesium unsur
0.22 2.56
6.3.6 Allred Rochow Elektronegativitas
1.561.46
sesium unsur
0.86 1.82
6.3.8 Mulliken-Jaffe Elektronegativitas
ora Sumadhiya1.53
sesium unsur
0.62 2.48
6.3.11 Allen Elektronegativitas
1.651.52
sesium unsur
0.659 2.7
6.4 Electropositivity
6.4.1 Pauling Electropositivity
2.342.31
Gold unsur
1.46 3.3
6.5 tenogo ionisasi
6.5.1 Level Energy 1st
26,130.00 kJ / mol867.80 kJ / mol
sesium unsur
375.7 26130
6.5.3 Level Energy 2
28,750.00 kJ / mol1,631.40 kJ / mol
uranium unsur
710.2162 28750
6.5.5 Level Energy 3rd
34,230.00 kJ / mol3,616.00 kJ / mol
osmium unsur
1600 34230
6.5.8 Level Energy 4
37,066.00 kJ / molora Sumadhiya
thorium unsur
2780 37066
6.6.1 Level Energy 5th
97,510.00 kJ / molora Sumadhiya
dubnium unsur
4305.2 97510
6.6.2 Level Energy 6th
105,800.00 kJ / molora Sumadhiya
Seaborgium unsur
5715.8 105800
6.7.1 tingkat Energy 7
114,300.00 kJ / molora Sumadhiya
Bohrium unsur
7226.8 114300
6.7.2 Level Energy 8
125,300.00 kJ / molora Sumadhiya
hassium unsur
8857.4 125300
7.1.1 Level Energy 9
134,700.00 kJ / molora Sumadhiya
Yttrium unsur
14110 134700
7.1.2 Level Energy 10th
144,300.00 kJ / molora Sumadhiya
strontium unsur
17100 144300
7.4.2 Level Energy 11
26,130.00 kJ / molora Sumadhiya
Yttrium unsur
19900 169988
7.4.4 Level Energy 12
28,750.00 kJ / molora Sumadhiya
molybdenum unsur
22219 189368
7.4.6 Level Energy 13
34,230.00 kJ / molora Sumadhiya
molybdenum unsur
26930 76015
7.5.2 Level Energy 14
37,066.00 kJ / molora Sumadhiya
molybdenum unsur
29196 86450
7.5.4 Level Energy 15
97,510.00 kJ / molora Sumadhiya
Manganese unsur
41987 97510
7.5.6 Level Energy 16
105,800.00 kJ / molora Sumadhiya
Iron unsur
47206 109480
7.6.1 Level Energy 17
114,300.00 kJ / molora Sumadhiya
kobalt unsur
52737 122200
7.7.1 Level Energy 18
125,300.00 kJ / molora Sumadhiya
Nickel unsur
58570 134810
7.9.1 Level Energy 19
134,700.00 kJ / molora Sumadhiya
tembaga unsur
64702 148700
7.10.1 Level Energy 20
144,300.00 kJ / molora Sumadhiya
molybdenum unsur
80400 171200
7.10.2 Level Energy 21
157,700.00 kJ / molora Sumadhiya
molybdenum unsur
87000 179100
7.12.1 Level Energy 22
166,090.00 kJ / molora Sumadhiya
molybdenum unsur
93400 184900
8.1.2 Level Energy 23rd
ora Sumadhiyaora Sumadhiya
molybdenum unsur
98420 198800
8.1.3 Level Energy 24
ora Sumadhiyaora Sumadhiya
molybdenum unsur
104400 195200
8.1.5 Level Energy 25th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
121900 121900
8.1.6 Level Energy 26th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
127700 127700
8.2.1 Level Energy 27th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
133800 133800
8.3.1 Level Energy 28th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
139800 139800
8.4.2 Level Energy 29
ora Sumadhiyaora Sumadhiya
molybdenum unsur
148100 148100
8.4.3 Level Energy 30
ora Sumadhiyaora Sumadhiya
molybdenum unsur
154500 154500
8.5 padha karo elektrokimia
0.32 g / amp-day2.10 g / amp-day
Beryllium unsur
0.16812 8.3209
8.7 Fungsi Work elektron
4.50 eV4.22 eV
sesium unsur
2.14 5.65
8.8 Properties Kimia liyane
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
9 atom
9.1 Panggil atom
2448
lithium unsur
3 117
9.2 Konfigurasi elektron
[Ar] 3d 5 4s 1
[Kr] 4d 10 5S 2
9.3 Struktur Crystal
Body tengah kubik (Bcc)
Hexagonal Tutup dikempalken (HCP)
9.3.1 Crystal pola
9.4 atom
9.4.1 Jumlah proton
2448
lithium unsur
3 117
9.5.1 Jumlah Neutron
2864
lithium unsur
4 184
10.1.4 Jumlah Èlèktron
2448
lithium unsur
3 117
10.2 Radius saka Atom
10.2.1 Radius atom
128.00 pm151.00 pm
Beryllium unsur
112 265
10.3.3 kovalen Radius
139.00 pm144.00 pm
Beryllium unsur
96 260
10.3.5 Van der Waals Radius
200.00 pm158.00 pm
seng unsur
139 348
10.4 Bobot atom
52.00 Amu112.41 Amu
lithium unsur
6.94 294
10.5 Volume atom
7.23 cm3 / mol13.10 cm3 / mol
Manganese unsur
1.39 71.07
11.2 Nomer atom jejer
11.2.1 unsur Previous
11.2.2 Sabanjure unsur
11.3 Potensi Valence Electron
170.00 (-eV)30.00 (-eV)
Francium unsur
8 392.42
11.5 Constant pola
291.00 pm297.94 pm
Beryllium unsur
228.58 891.25
11.7 pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
11.8 Pola C / A rasio
ora Sumadhiya1.89
Beryllium unsur
1.567 1.886
12 Teknik
12.1 Kapadhetan
12.1.1 Kapadhetan Ing suhu kamar
7.19 g / cm 38.65 g / cm 3
lithium unsur
0.534 40.7
12.2.1 Kapadhetan Nalika Liquid (ing mp)
6.30 g / cm38.00 g / cm3
lithium unsur
0.512 20
12.4 Strength tensile
689.00 MPa62.00 MPa
Indium unsur
2.5 11000
12.5 viskositas
ora Sumadhiyaora Sumadhiya
Mercury unsur
0.001526 0.001526
12.6 meksa beluk
12.6.1 Meksa beluk ing 1000 K
0.00 (Pa)ora Sumadhiya
cerium unsur
2.47E-11 121
12.6.3 Meksa beluk ing 2000 K
774.00 (Pa)ora Sumadhiya
tungsten unsur
2.62E-10 774
12.7 situs kelenturan
12.7.1 nyukur pengaturan
115.00 GPA19.00 GPA
kalium unsur
1.3 222
12.8.1 pengaturan akeh
160.00 GPA42.00 GPA
sesium unsur
1.6 462
12.8.2 Young kang pengaturan
279.00 GPA50.00 GPA
sesium unsur
1.7 528
12.9 Poisson rasio
0.210.30
Beryllium unsur
0.032 0.47
12.10 Properties Teknik liyane
NA
ductile, malleable
13 Magnetic
13.1 Ciri Magnetic
13.1.1 Gravitasi tartamtu
7.198.65
lithium unsur
0.53 4500
13.1.2 Nindakake Magnetic
Antiferromagnetic
diamagnetic
13.1.3 permeabilitas
ora Sumadhiyaora Sumadhiya
Bismuth unsur
1.25643E-06 0.0063
13.1.4 kelemahan
ora Sumadhiyaora Sumadhiya
Bismuth unsur
-0.000166 200000
13.2 Properties Listrik
13.2.1 Property Listrik
NA
Semiconductor
13.2.2 resistivity
125.00 nΩ · m72.70 nΩ · m
Thallium unsur
0.18 961
13.2.3 konduktivitas listrik
0.08 10 6 / cm Ω0.14 10 6 / cm Ω
plutonium unsur
0.00666 0.63
13.2.4 elektron Affinity
64.30 kJ / mol0.00 kJ / mol
Mercury unsur
0 222.8
14 termal
14.1 Kalor tartamtu
0.45 J / (kg K)0.23 J / (kg K)
americium unsur
0.11 3.6
14.2 Graham Kapasitas kalor
23.35 J / mol · K26.02 J / mol · K
Beryllium unsur
16.443 62.7
14.3 doyo termal
93.90 W / m · K96.60 W / m · K
neptunium unsur
6.3 429
14.4 suhu kritis
ora Sumadhiyaora Sumadhiya
ytterbium unsur
26.3 3223
14.5 Expansion termal
4.90 μm / (m · K)30.80 μm / (m · K)
tungsten unsur
4.5 97
14.6 enthalpy
14.6.1 Enthalpy panguapan
348.80 kJ / mol100.00 kJ / mol
seng unsur
7.32 799.1
14.6.2 Enthalpy saka Fusion
15.31 kJ / mol6.19 kJ / mol
sesium unsur
2.1 35.23
14.6.3 Enthalpy saka atomization
397.50 kJ / mol113.00 kJ / mol
Mercury unsur
61.5 837
14.7 Standard molar Entropy
23.80 J / mol.K51.80 J / mol.K
Beryllium unsur
9.5 198.1