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1 Tabel périodik
1.1 Symbol
Cr
Ni
1.2 Panggil Group
610
Gadolinium unsur
0 17
1.4 Panggil periode
44
lithium unsur
2 7
2.5 Block
d block
d block
2.6 Family unsur
transisi Metal
transisi Metal
2.7 CAS Number
74404737440020
Aluminium unsur
7429905 54386242
2.8 Jeneng papan Group
3M Im_
Fm_ 3M
2.9 Space Group Number
229.00225.00
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.
  • Seng logam ketemu (diwenehi) ing akeh formulir kaya granules, foil, bledug lan ing wangun bubuk.
  • Sawise wesi, Seng logam kaloro paling akeh ing kerak bumi.
3.2 sumber
Found in Minerals, Mining, Ores logam, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
3.3 History
3.3.1 sing katutup
Louis Nicolas Vauquelin
Axel Fredrik Cronstedt
3.3.2 Discovery
Ing Antarane 1797 - 1798
ing 1751
3.4 turah mbrawah
3.4.1 Turah mbrawah Ing Universe
1.5 * 10-3 %6 * 10-3 %
Thallium unsur
5E-09 0.11
3.5.3 Turah mbrawah Ing Sun
~0.002 %~0.008 %
Beryllium unsur
1E-08 0.1
4.2.2 Turah mbrawah Ing meteorit
0.30 %1.30 %
Gold unsur
1.7E-07 22
4.3.2 Turah mbrawah Ing bumi lemah ndhuwur
0.01 %0.01 %
Radium unsur
9.9E-12 8.1
4.3.5 Turah mbrawah Ing Segara
0.00 %0.00 %
Protaktinium unsur
2E-23 1.1
5.2.5 Turah mbrawah Ing Manungsa
0.00 %0.00 %
Radium unsur
1E-13 1.4
6 ulah
6.1 Ulah lan Wuku
Character length exceed error
  • Wis resistance karat lan Empu iku digunakake kanggo piring logam.
  • wesi banget migunani; alloy Nichrome digunakake ing kumparan panas saka toasters lan open listrik.
6.1.1 Ulah Industrial
Industry automobile, Industri Kimia
Industry automobile, Industry Listrik, Industry Elektronik
6.1.2 Ulah Medical
NA
NA
6.1.3 Ulah liyane
wesi
wesi
6.2 Properties biologi
6.2.1 keracunan
Highly Toxic
Toxic
7.1.2 Saiki ing badan Human
Ya
Ya
7.1.3 Sang
0.11 Sang / mg dm-30.05 Sang / mg dm-3
plutonium unsur
0 1970
7.2.2 ing Bone
0.33 ppm0.70 ppm
plutonium unsur
0 170000
8 fisik
8.1 leleh Point
1,857.00 ° C1,453.00 ° C
Francium unsur
27 3410
8.4 Boiling Point
2,672.00 ° C2,732.00 ° C
Flerovium unsur
147 5660
8.5 katon
8.5.1 State fisik
Solid
Solid
8.5.2 warna
Silver
Silver
8.5.3 luster
metallic
metallic
8.6 atose
8.6.1 Mohs atose
8.504.00
sesium unsur
0.2 8.5
8.6.4 Brinell atose
687.00 MPa667.00 MPa
sesium unsur
0.14 3490
8.7.2 Vickers atose
1,060.00 MPa638.00 MPa
Palladium unsur
121 3430
8.9 Kacepetan swara
5,940.00 m / s4,900.00 m / s
Thallium unsur
818 16200
8.10 Properties Optical
8.10.1 bias Index
ora Sumadhiyaora Sumadhiya
Mercury unsur
1.000933 1.7229
8.11.3 reflectivity
ora Sumadhiya72.00 %
molybdenum unsur
58 97
9.3 allotropes
Ora
Ora
9.3.1 α allotropes
ora Sumadhiya
ora Sumadhiya
9.3.2 β allotropes
ora Sumadhiya
ora Sumadhiya
9.3.3 γ allotropes
ora Sumadhiya
ora Sumadhiya
10 Kimia
10.1 Formula Kimia
Cr
Ni
10.2 isotop
10.2.1 Isotop dikenal
2125
Tennessine unsur
0 38
10.4 keelektronegatifan
10.4.1 Pauling Elektronegativitas
1.661.91
Francium unsur
0.7 2.54
10.4.4 Sanderson Elektronegativitas
1.661.94
sesium unsur
0.22 2.56
10.4.8 Allred Rochow Elektronegativitas
1.561.75
sesium unsur
0.86 1.82
10.4.13 Mulliken-Jaffe Elektronegativitas
ora Sumadhiyaora Sumadhiya
sesium unsur
0.62 2.48
10.5.3 Allen Elektronegativitas
1.651.88
sesium unsur
0.659 2.7
10.7 Electropositivity
10.7.1 Pauling Electropositivity
2.342.09
Gold unsur
1.46 3.3
10.8 tenogo ionisasi
10.8.1 Level Energy 1st
26,130.00 kJ / mol737.10 kJ / mol
sesium unsur
375.7 26130
10.8.4 Level Energy 2
28,750.00 kJ / mol1,753.00 kJ / mol
uranium unsur
710.2162 28750
10.8.6 Level Energy 3rd
34,230.00 kJ / mol3,395.00 kJ / mol
osmium unsur
1600 34230
10.8.9 Level Energy 4
37,066.00 kJ / mol5,300.00 kJ / mol
thorium unsur
2780 37066
10.9.1 Level Energy 5th
97,510.00 kJ / mol7,339.00 kJ / mol
dubnium unsur
4305.2 97510
10.9.2 Level Energy 6th
105,800.00 kJ / mol10,400.00 kJ / mol
Seaborgium unsur
5715.8 105800
10.9.4 tingkat Energy 7
114,300.00 kJ / mol12,800.00 kJ / mol
Bohrium unsur
7226.8 114300
10.10.1 Level Energy 8
125,300.00 kJ / mol15,600.00 kJ / mol
hassium unsur
8857.4 125300
10.10.3 Level Energy 9
134,700.00 kJ / mol18,600.00 kJ / mol
Yttrium unsur
14110 134700
10.10.4 Level Energy 10th
144,300.00 kJ / mol21,670.00 kJ / mol
strontium unsur
17100 144300
11.1.2 Level Energy 11
26,130.00 kJ / mol30,970.00 kJ / mol
Yttrium unsur
19900 169988
11.4.2 Level Energy 12
28,750.00 kJ / mol34,000.00 kJ / mol
molybdenum unsur
22219 189368
11.4.3 Level Energy 13
34,230.00 kJ / mol37,100.00 kJ / mol
molybdenum unsur
26930 76015
11.4.6 Level Energy 14
37,066.00 kJ / mol41,500.00 kJ / mol
molybdenum unsur
29196 86450
11.4.8 Level Energy 15
97,510.00 kJ / mol44,800.00 kJ / mol
Manganese unsur
41987 97510
11.4.10 Level Energy 16
105,800.00 kJ / mol48,100.00 kJ / mol
Iron unsur
47206 109480
11.4.12 Level Energy 17
114,300.00 kJ / mol55,101.00 kJ / mol
kobalt unsur
52737 122200
11.5.2 Level Energy 18
125,300.00 kJ / mol58,570.00 kJ / mol
tembaga
58570 134810
11.5.3 Level Energy 19
134,700.00 kJ / mol148,700.00 kJ / mol
tembaga unsur
64702 148700
11.5.5 Level Energy 20
144,300.00 kJ / mol159,000.00 kJ / mol
molybdenum unsur
80400 171200
11.5.7 Level Energy 21
157,700.00 kJ / mol169,400.00 kJ / mol
molybdenum unsur
87000 179100
11.5.10 Level Energy 22
166,090.00 kJ / mol182,700.00 kJ / mol
molybdenum unsur
93400 184900
11.6.1 Level Energy 23rd
ora Sumadhiya194,000.00 kJ / mol
molybdenum unsur
98420 198800
11.6.3 Level Energy 24
ora Sumadhiyaora Sumadhiya
molybdenum unsur
104400 195200
11.7.2 Level Energy 25th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
121900 121900
11.9.2 Level Energy 26th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
127700 127700
11.10.2 Level Energy 27th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
133800 133800
11.10.3 Level Energy 28th
ora Sumadhiyaora Sumadhiya
molybdenum unsur
139800 139800
12.1.2 Level Energy 29
ora Sumadhiyaora Sumadhiya
molybdenum unsur
148100 148100
12.1.5 Level Energy 30
ora Sumadhiyaora Sumadhiya
molybdenum unsur
154500 154500
12.2 padha karo elektrokimia
0.32 g / amp-day1.10 g / amp-day
Beryllium unsur
0.16812 8.3209
12.4 Fungsi Work elektron
4.50 eV5.15 eV
sesium unsur
2.14 5.65
12.7 Properties Kimia liyane
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif
13 atom
13.1 Panggil atom
2428
lithium unsur
3 117
13.2 Konfigurasi elektron
[Ar] 3d 5 4s 1
[Ar] 3d 8 4s 2 Utawa [Ar] 3d 9 4s 1
13.3 Struktur Crystal
Body tengah kubik (Bcc)
Face tengah kubik (FCC)
13.3.2 Crystal pola
13.4 atom
13.4.1 Jumlah proton
2428
lithium unsur
3 117
13.5.5 Jumlah Neutron
2831
lithium unsur
4 184
13.6.2 Jumlah Èlèktron
2428
lithium unsur
3 117
13.9 Radius saka Atom
13.9.1 Radius atom
128.00 pm124.00 pm
Beryllium unsur
112 265
15.1.2 kovalen Radius
139.00 pm124.00 pm
Beryllium unsur
96 260
15.4.2 Van der Waals Radius
200.00 pm163.00 pm
seng unsur
139 348
15.6 Bobot atom
52.00 Amu58.69 Amu
lithium unsur
6.94 294
15.7 Volume atom
7.23 cm3 / mol6.59 cm3 / mol
Manganese unsur
1.39 71.07
15.9 Nomer atom jejer
15.9.1 unsur Previous
15.9.2 Sabanjure unsur
15.10 Potensi Valence Electron
170.00 (-eV)42.00 (-eV)
Francium unsur
8 392.42
16.2 Constant pola
291.00 pm352.40 pm
Beryllium unsur
228.58 891.25
16.5 pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
16.6 Pola C / A rasio
ora Sumadhiyaora Sumadhiya
Beryllium unsur
1.567 1.886
17 Teknik
17.1 Kapadhetan
17.1.1 Kapadhetan Ing suhu kamar
7.19 g / cm 38.91 g / cm 3
lithium unsur
0.534 40.7
17.4.1 Kapadhetan Nalika Liquid (ing mp)
6.30 g / cm37.81 g / cm3
lithium unsur
0.512 20
17.8 Strength tensile
689.00 MPa345.00 MPa
Indium unsur
2.5 11000
17.10 viskositas
ora Sumadhiyaora Sumadhiya
Mercury unsur
0.001526 0.001526
17.11 meksa beluk
17.11.1 Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
cerium unsur
2.47E-11 121
18.1.2 Meksa beluk ing 2000 K
774.00 (Pa)19.50 (Pa)
tungsten unsur
2.62E-10 774
18.3 situs kelenturan
18.3.1 nyukur pengaturan
115.00 GPA76.00 GPA
kalium unsur
1.3 222
18.3.3 pengaturan akeh
160.00 GPA180.00 GPA
sesium unsur
1.6 462
18.5.1 Young kang pengaturan
279.00 GPA200.00 GPA
sesium unsur
1.7 528
18.7 Poisson rasio
0.210.31
Beryllium unsur
0.032 0.47
18.8 Properties Teknik liyane
NA
ductile
19 Magnetic
19.1 Ciri Magnetic
19.1.1 Gravitasi tartamtu
7.198.90
lithium unsur
0.53 4500
19.2.2 Nindakake Magnetic
Antiferromagnetic
Ferromagnetic
19.2.3 permeabilitas
ora Sumadhiya0.00 H / m
Bismuth unsur
1.25643E-06 0.0063
19.2.5 kelemahan
ora Sumadhiya600.00
Bismuth unsur
-0.000166 200000
19.3 Properties Listrik
19.3.1 Property Listrik
NA
Arman
19.3.2 resistivity
125.00 nΩ · m69.30 nΩ · m
Thallium unsur
0.18 961
19.3.4 konduktivitas listrik
0.08 10 6 / cm Ω0.14 10 6 / cm Ω
plutonium unsur
0.00666 0.63
20.1.2 elektron Affinity
64.30 kJ / mol112.00 kJ / mol
Mercury unsur
0 222.8
21 termal
21.1 Kalor tartamtu
0.45 J / (kg K)0.44 J / (kg K)
americium unsur
0.11 3.6
1.3 Graham Kapasitas kalor
23.35 J / mol · K26.07 J / mol · K
Beryllium unsur
16.443 62.7
1.6 doyo termal
93.90 W / m · K90.90 W / m · K
neptunium unsur
6.3 429
1.10 suhu kritis
ora Sumadhiyaora Sumadhiya
ytterbium unsur
26.3 3223
1.13 Expansion termal
4.90 μm / (m · K)13.40 μm / (m · K)
tungsten unsur
4.5 97
3.5 enthalpy
3.5.1 Enthalpy panguapan
348.80 kJ / mol371.80 kJ / mol
seng unsur
7.32 799.1
3.7.1 Enthalpy saka Fusion
15.31 kJ / mol17.57 kJ / mol
sesium unsur
2.1 35.23
3.9.1 Enthalpy saka atomization
397.50 kJ / mol422.60 kJ / mol
Mercury unsur
61.5 837
3.11 Standard molar Entropy
23.80 J / mol.K29.90 J / mol.K
Beryllium unsur
9.5 198.1