mbandhingaké krom lan rubidium
Tabel périodik
Symbol
Cr
Rb
Panggil Group
6
12
1
17
Panggil periode
4
5
Block
d block
s pemblokiran
Family unsur
transisi Metal
alkali
CAS Number
7440473
39
7440177
99+
Jeneng papan Group
3M Im_
3M Im_
Space Group Number
229.00
1
229.00
1
facts
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.
- Rubidium logam unsur 16 paling umum ditemokake ing lemah ndhuwur bumi.
- metal Rubidium uga ditemokake ing mineral uga banyu segara.
sumber
Found in Minerals, Mining, Ores logam, Ores saka Minerals
Dijupuk saka Produksi Lithium.
History
sing katutup
Louis Nicolas Vauquelin
Robert Bunsen and Gustav Kirchhoff
Discovery
Ing Antarane 1797 - 1798
ing 1861
turah mbrawah
Turah mbrawah Ing Universe
1.5 * 10-3 %
7
1 * 10-6 %
16
Turah mbrawah Ing Sun
~0.002 %
7
~0.000003 %
17
Turah mbrawah Ing meteorit
0.30 %
7
0.00 %
19
Turah mbrawah Ing bumi lemah ndhuwur
0.01 %
13
0.01 %
18
Turah mbrawah Ing Segara
0.00 %
16
0.00 %
7
Turah mbrawah Ing Manungsa
0.00 %
16
0.00 %
7
ulah
Ulah lan Wuku
Character length exceed error
- aplikasi utama Rubidium iku ing Manufaktur kaca.
- Rubidium bisa banget gampang njaluk ionized lan Empu iku digunakake kanggo mesin ion, nanging isih kurang efisien tinimbang sing saka Caesium.
Ulah Industrial
Industry automobile, Industri Kimia
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, tujuan Research
Properties biologi
keracunan
Highly Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.11 Sang / mg dm-3
12
2.49 Sang / mg dm-3
7
ing Bone
0.33 ppm
21
5.00 ppm
13
fisik Properties
leleh Point
1,857.00 ° C
14
38.89 ° C
99+
Boiling Point
2,672.00 ° C
39
688.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
klawu putih
luster
metallic
NA
atose
Mohs atose
8.50
1
0.30
24
Brinell atose
687.00 MPa
16
0.22 MPa
99+
Vickers atose
1,060.00 MPa
10
ora Sumadhiya
Kacepetan swara
5,940.00 m / s
5
1,300.00 m / s
99+
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
Cr
Rb
isotop
Isotop dikenal
21
18
29
10
keelektronegatifan
Pauling Elektronegativitas
1.66
18
0.82
99+
Sanderson Elektronegativitas
1.66
14
0.31
32
Allred Rochow Elektronegativitas
1.56
10
0.89
40
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
0.69
24
Allen Elektronegativitas
1.65
19
0.71
99+
Electropositivity
Pauling Electropositivity
2.34
36
3.18
3
tenogo ionisasi
Level Energy 1st
26,130.00 kJ / mol
1
403.00 kJ / mol
99+
Level Energy 2
28,750.00 kJ / mol
1
2,633.00 kJ / mol
6
Level Energy 3rd
34,230.00 kJ / mol
1
3,860.00 kJ / mol
11
Level Energy 4
37,066.00 kJ / mol
1
5,080.00 kJ / mol
18
Level Energy 5th
97,510.00 kJ / mol
1
6,850.00 kJ / mol
19
Level Energy 6th
105,800.00 kJ / mol
1
8,140.00 kJ / mol
20
tingkat Energy 7
114,300.00 kJ / mol
1
9,570.00 kJ / mol
20
Level Energy 8
125,300.00 kJ / mol
1
13,120.00 kJ / mol
17
Level Energy 9
134,700.00 kJ / mol
1
14,500.00 kJ / mol
18
Level Energy 10th
144,300.00 kJ / mol
1
26,740.00 kJ / mol
6
Level Energy 11
26,130.00 kJ / mol
12
ora Sumadhiya
Level Energy 12
28,750.00 kJ / mol
13
ora Sumadhiya
Level Energy 13
34,230.00 kJ / mol
10
ora Sumadhiya
Level Energy 14
37,066.00 kJ / mol
12
ora Sumadhiya
Level Energy 15
97,510.00 kJ / mol
1
ora Sumadhiya
Level Energy 16
105,800.00 kJ / mol
2
ora Sumadhiya
Level Energy 17
114,300.00 kJ / mol
3
ora Sumadhiya
Level Energy 18
125,300.00 kJ / mol
4
ora Sumadhiya
Level Energy 19
134,700.00 kJ / mol
5
ora Sumadhiya
Level Energy 20
144,300.00 kJ / mol
7
ora Sumadhiya
Level Energy 21
157,700.00 kJ / mol
7
ora Sumadhiya
Level Energy 22
166,090.00 kJ / mol
6
ora Sumadhiya
padha karo elektrokimia
0.32 g / amp-day
99+
3.19 g / amp-day
14
Fungsi Work elektron
4.50 eV
14
2.16 eV
99+
Properties Kimia liyane
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
Corrosion, ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
24
99+
37
99+
Konfigurasi elektron
[Ar] 3d 5 4s 1
[Kr] 5S 1
Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
24
99+
37
99+
Jumlah Neutron
28
99+
48
99+
Jumlah Èlèktron
24
99+
37
99+
Radius saka Atom
Radius atom
128.00 pm
99+
248.00 pm
2
kovalen Radius
139.00 pm
99+
220.00 pm
4
Van der Waals Radius
200.00 pm
28
303.00 pm
3
Bobot atom
52.00 Amu
99+
85.47 Amu
99+
Volume atom
7.23 cm3 / mol
99+
55.90 cm3 / mol
2
Nomer atom jejer
Potensi Valence Electron
170.00 (-eV)
4
9.47 (-eV)
99+
Constant pola
291.00 pm
99+
558.50 pm
10
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
7.19 g / cm 3
99+
1.53 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
6.30 g / cm3
40
1.46 g / cm3
99+
Strength tensile
689.00 MPa
7
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
24
ora Sumadhiya
Meksa beluk ing 2000 K
774.00 (Pa)
1
ora Sumadhiya
situs kelenturan
nyukur pengaturan
115.00 GPA
9
ora Sumadhiya
pengaturan akeh
160.00 GPA
11
2.50 GPA
99+
Young kang pengaturan
279.00 GPA
8
2.40 GPA
99+
Poisson rasio
0.21
32
ora Sumadhiya
Properties Teknik liyane
NA
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.19
99+
1.53
99+
Nindakake Magnetic
Antiferromagnetic
paramagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
125.00 nΩ · m
27
128.00 nΩ · m
26
konduktivitas listrik
0.08 10 6 / cm Ω
25
0.08 10 6 / cm Ω
24
elektron Affinity
64.30 kJ / mol
15
46.90 kJ / mol
24
termal Properties
Kalor tartamtu
0.45 J / (kg K)
12
0.36 J / (kg K)
17
Graham Kapasitas kalor
23.35 J / mol · K
99+
31.06 J / mol · K
5
doyo termal
93.90 W / m · K
17
58.20 W / m · K
26
suhu kritis
ora Sumadhiya
2,093.00 K
4
Expansion termal
4.90 μm / (m · K)
99+
90.00 μm / (m · K)
2
enthalpy
Enthalpy panguapan
348.80 kJ / mol
24
69.20 kJ / mol
99+
Enthalpy saka Fusion
15.31 kJ / mol
20
2.19 kJ / mol
99+
Enthalpy saka atomization
397.50 kJ / mol
21
82.00 kJ / mol
99+
Standard molar Entropy
23.80 J / mol.K
99+
76.80 J / mol.K
5
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