rubidium mungsuh strontium
Tabel périodik
Symbol
Rb
Sr
Panggil Group
1
17
2
16
Panggil periode
5
5
Block
s pemblokiran
s pemblokiran
Family unsur
alkali
alkalin bumi
CAS Number
7440177
99+
7440246
99+
Jeneng papan Group
3M Im_
Fm_ 3M
Space Group Number
229.00
1
225.00
2
facts
Facts Interesting
- Rubidium logam unsur 16 paling umum ditemokake ing lemah ndhuwur bumi.
- metal Rubidium uga ditemokake ing mineral uga banyu segara.
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
sumber
Dijupuk saka Produksi Lithium.
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Robert Bunsen and Gustav Kirchhoff
William Cruickshank
Discovery
ing 1861
ing 1787
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
4 * 10-6 %
14
Turah mbrawah Ing Sun
~0.000003 %
17
~0.000005 %
15
Turah mbrawah Ing meteorit
0.00 %
19
0.00 %
15
Turah mbrawah Ing bumi lemah ndhuwur
0.01 %
18
0.04 %
10
Turah mbrawah Ing Segara
0.00 %
7
0.00 %
4
Turah mbrawah Ing Manungsa
0.00 %
7
0.00 %
7
ulah
Ulah lan Wuku
- 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.
Character length exceed error
Ulah Industrial
NA
Industry amunisi, Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
wesi, tujuan Research
wesi
Properties biologi
keracunan
non Toxic
non Toxic
Saiki ing badan Human
Ya
Ya
Sang
2.49 Sang / mg dm-3
7
0.03 Sang / mg dm-3
19
ing Bone
5.00 ppm
13
140.00 ppm
7
fisik Properties
leleh Point
38.89 ° C
99+
769.00 ° C
99+
Boiling Point
688.00 ° C
99+
1,384.00 ° C
99+
katon
State fisik
Solid
Solid
warna
klawu putih
perak Putih
luster
NA
metallic
atose
Mohs atose
0.30
24
1.50
18
Brinell atose
0.22 MPa
99+
ora Sumadhiya
Kacepetan swara
1,300.00 m / s
99+
ora Sumadhiya
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
Rb
Sr
isotop
Isotop dikenal
29
10
27
12
keelektronegatifan
Pauling Elektronegativitas
0.82
99+
0.95
99+
Sanderson Elektronegativitas
0.31
32
0.72
27
Allred Rochow Elektronegativitas
0.89
40
0.99
37
Mulliken-Jaffe Elektronegativitas
0.69
24
1.00
18
Allen Elektronegativitas
0.71
99+
0.96
40
Electropositivity
Pauling Electropositivity
3.18
3
3.05
7
tenogo ionisasi
Level Energy 1st
403.00 kJ / mol
99+
549.50 kJ / mol
99+
Level Energy 2
2,633.00 kJ / mol
6
1,064.20 kJ / mol
99+
Level Energy 3rd
3,860.00 kJ / mol
11
4,138.00 kJ / mol
10
Level Energy 4
5,080.00 kJ / mol
18
5,500.00 kJ / mol
13
Level Energy 5th
6,850.00 kJ / mol
19
6,910.00 kJ / mol
18
Level Energy 6th
8,140.00 kJ / mol
20
8,760.00 kJ / mol
18
tingkat Energy 7
9,570.00 kJ / mol
20
10,230.00 kJ / mol
19
Level Energy 8
13,120.00 kJ / mol
17
11,800.00 kJ / mol
19
Level Energy 9
14,500.00 kJ / mol
18
15,600.00 kJ / mol
17
Level Energy 10th
26,740.00 kJ / mol
6
17,100.00 kJ / mol
19
Level Energy 11
ora Sumadhiya
31,270.00 kJ / mol
6
padha karo elektrokimia
3.19 g / amp-day
14
1.64 g / amp-day
99+
Fungsi Work elektron
2.16 eV
99+
2.59 eV
99+
Properties Kimia liyane
Corrosion, ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
37
99+
38
99+
Konfigurasi elektron
[Kr] 5S 1
[Kr] 5S 2
Struktur Crystal
Body tengah kubik (Bcc)
Face tengah kubik (FCC)
Crystal pola
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Strontium.jpg#100
atom
Jumlah proton
37
99+
38
99+
Jumlah Neutron
48
99+
50
99+
Jumlah Èlèktron
37
99+
38
99+
Radius saka Atom
Radius atom
248.00 pm
2
215.00 pm
5
kovalen Radius
220.00 pm
4
195.00 pm
15
Van der Waals Radius
303.00 pm
3
249.00 pm
7
Bobot atom
85.47 Amu
99+
87.62 Amu
99+
Volume atom
55.90 cm3 / mol
2
33.70 cm3 / mol
6
Nomer atom jejer
Potensi Valence Electron
9.47 (-eV)
99+
25.70 (-eV)
99+
Constant pola
558.50 pm
10
608.49 pm
6
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
1.53 g / cm 3
99+
2.64 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
1.46 g / cm3
99+
2.38 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
121.00 (Pa)
1
situs kelenturan
nyukur pengaturan
ora Sumadhiya
6.03 GPA
99+
pengaturan akeh
2.50 GPA
99+
ora Sumadhiya
Young kang pengaturan
2.40 GPA
99+
15.70 GPA
99+
Poisson rasio
ora Sumadhiya
0.28
17
Properties Teknik liyane
ductile
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
1.53
99+
2.64
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
NA
resistivity
128.00 nΩ · m
26
132.00 nΩ · m
24
konduktivitas listrik
0.08 10 6 / cm Ω
24
0.08 10 6 / cm Ω
26
elektron Affinity
46.90 kJ / mol
24
5.03 kJ / mol
38
termal Properties
Kalor tartamtu
0.36 J / (kg K)
17
0.30 J / (kg K)
18
Graham Kapasitas kalor
31.06 J / mol · K
5
26.40 J / mol · K
28
doyo termal
58.20 W / m · K
26
35.40 W / m · K
37
suhu kritis
2,093.00 K
4
ora Sumadhiya
Expansion termal
90.00 μm / (m · K)
2
22.50 μm / (m · K)
18
enthalpy
Enthalpy panguapan
69.20 kJ / mol
99+
150.00 kJ / mol
99+
Enthalpy saka Fusion
2.19 kJ / mol
99+
9.16 kJ / mol
38
Enthalpy saka atomization
82.00 kJ / mol
99+
163.20 kJ / mol
99+
Standard molar Entropy
76.80 J / mol.K
5
55.00 J / mol.K
26
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