Niobium mungsuh rubidium
Tabel périodik
Symbol
Nb
Rb
Panggil Group
5
13
1
17
Panggil periode
5
5
Block
d block
s pemblokiran
Family unsur
transisi Metal
alkali
CAS Number
7440031
99+
7440177
99+
Jeneng papan Group
3M Im_
3M Im_
Space Group Number
229.00
1
229.00
1
facts
Facts Interesting
- metal Niobium iki digunakake kanggo njaluk disebut Columbium ing past.
- metal Niobium ketemu ing alam bebas (turah mbrawah).
- Rubidium logam unsur 16 paling umum ditemokake ing lemah ndhuwur bumi.
- metal Rubidium uga ditemokake ing mineral uga banyu segara.
sumber
Miturut-produk saka Tin Extraction, Found in Minerals, Mining, Ores saka Minerals
Dijupuk saka Produksi Lithium.
History
sing katutup
Charles Hatchett
Robert Bunsen and Gustav Kirchhoff
Discovery
ing taun 1801
ing 1861
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
1 * 10-6 %
16
Turah mbrawah Ing Sun
~0.0000004 %
23
~0.000003 %
17
Turah mbrawah Ing meteorit
0.00 %
35
0.00 %
19
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
25
0.01 %
18
Turah mbrawah Ing Segara
0.00 %
34
0.00 %
7
Turah mbrawah Ing Manungsa
ora Sumadhiya
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 Aerospace, Industry amunisi, Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi, tujuan Research
Properties biologi
keracunan
Low Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.01 Sang / mg dm-3
25
2.49 Sang / mg dm-3
7
ing Bone
0.07 ppm
25
5.00 ppm
13
fisik Properties
leleh Point
2,468.00 ° C
6
38.89 ° C
99+
Boiling Point
2,468.00 ° C
99+
688.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gray
klawu putih
luster
metallic
NA
atose
Mohs atose
6.00
6
0.30
24
Brinell atose
735.00 MPa
14
0.22 MPa
99+
Vickers atose
870.00 MPa
12
ora Sumadhiya
Kacepetan swara
3,480.00 m / s
21
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
Nb
Rb
isotop
Isotop dikenal
17
22
29
10
keelektronegatifan
Pauling Elektronegativitas
1.60
23
0.82
99+
Sanderson Elektronegativitas
1.42
16
0.31
32
Allred Rochow Elektronegativitas
1.23
25
0.89
40
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
0.69
24
Allen Elektronegativitas
1.41
31
0.71
99+
Electropositivity
Pauling Electropositivity
2.40
31
3.18
3
tenogo ionisasi
Level Energy 1st
652.10 kJ / mol
99+
403.00 kJ / mol
99+
Level Energy 2
1,380.00 kJ / mol
99+
2,633.00 kJ / mol
6
Level Energy 3rd
2,416.00 kJ / mol
99+
3,860.00 kJ / mol
11
Level Energy 4
3,700.00 kJ / mol
99+
5,080.00 kJ / mol
18
Level Energy 5th
4,877.00 kJ / mol
36
6,850.00 kJ / mol
19
Level Energy 6th
9,847.00 kJ / mol
11
8,140.00 kJ / mol
20
tingkat Energy 7
12,100.00 kJ / mol
14
9,570.00 kJ / mol
20
Level Energy 8
ora Sumadhiya
13,120.00 kJ / mol
17
Level Energy 9
ora Sumadhiya
14,500.00 kJ / mol
18
Level Energy 10th
ora Sumadhiya
26,740.00 kJ / mol
6
padha karo elektrokimia
0.69 g / amp-day
99+
3.19 g / amp-day
14
Fungsi Work elektron
4.30 eV
18
2.16 eV
99+
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
Corrosion, ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
41
99+
37
99+
Konfigurasi elektron
[Kr] 4d 4 5S 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
41
99+
37
99+
Jumlah Neutron
52
99+
48
99+
Jumlah Èlèktron
41
99+
37
99+
Radius saka Atom
Radius atom
146.00 pm
35
248.00 pm
2
kovalen Radius
164.00 pm
28
220.00 pm
4
Van der Waals Radius
200.00 pm
28
303.00 pm
3
Bobot atom
92.91 Amu
99+
85.47 Amu
99+
Volume atom
10.87 cm3 / mol
99+
55.90 cm3 / mol
2
Nomer atom jejer
Potensi Valence Electron
104.00 (-eV)
8
9.47 (-eV)
99+
Constant pola
330.04 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
8.57 g / cm 3
99+
1.53 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
1.46 g / cm3
99+
Strength tensile
330.00 MPa
12
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
27
ora Sumadhiya
situs kelenturan
nyukur pengaturan
38.00 GPA
19
ora Sumadhiya
pengaturan akeh
170.00 GPA
10
2.50 GPA
99+
Young kang pengaturan
105.00 GPA
20
2.40 GPA
99+
Poisson rasio
0.40
4
ora Sumadhiya
Properties Teknik liyane
ductile, malleable
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
8.57
37
1.53
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
152.00 nΩ · m
23
128.00 nΩ · m
26
konduktivitas listrik
0.07 10 6 / cm Ω
28
0.08 10 6 / cm Ω
24
elektron Affinity
86.10 kJ / mol
12
46.90 kJ / mol
24
termal Properties
Kalor tartamtu
0.26 J / (kg K)
20
0.36 J / (kg K)
17
Graham Kapasitas kalor
24.60 J / mol · K
99+
31.06 J / mol · K
5
doyo termal
53.70 W / m · K
29
58.20 W / m · K
26
suhu kritis
ora Sumadhiya
2,093.00 K
4
Expansion termal
7.30 μm / (m · K)
99+
90.00 μm / (m · K)
2
enthalpy
Enthalpy panguapan
696.60 kJ / mol
4
69.20 kJ / mol
99+
Enthalpy saka Fusion
27.20 kJ / mol
6
2.19 kJ / mol
99+
Enthalpy saka atomization
745.00 kJ / mol
4
82.00 kJ / mol
99+
Standard molar Entropy
36.40 J / mol.K
99+
76.80 J / mol.K
5
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