Francium mungsuh strontium
Tabel périodik
Symbol
Fr
Sr
Panggil Group
1
17
2
16
Panggil periode
7
5
Block
s pemblokiran
s pemblokiran
Family unsur
alkali
alkalin bumi
CAS Number
7440735
18
7440246
99+
Jeneng papan Group
ora Sumadhiya
Fm_ 3M
Space Group Number
ora Sumadhiya
225.00
2
facts
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
sumber
Kawangun dening Process Bosok, Mining
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Marguerite Perey
William Cruickshank
Discovery
ing taun 1939
ing 1787
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
4 * 10-6 %
14
Turah mbrawah Ing Sun
~-9999 %
~0.000005 %
15
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
15
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.04 %
10
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
4
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
7
ulah
Ulah lan Wuku
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
Character length exceed error
Ulah Industrial
NA
Industry amunisi, Industri Kimia
Ulah Medical
NA
NA
Ulah liyane
NA
wesi
Properties biologi
keracunan
NA
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-3
37
0.03 Sang / mg dm-3
19
ing Bone
0.00 ppm
36
140.00 ppm
7
fisik Properties
leleh Point
27.00 ° C
99+
769.00 ° C
99+
Boiling Point
677.00 ° C
99+
1,384.00 ° C
99+
katon
State fisik
Solid
Solid
warna
NA
perak Putih
luster
NA
metallic
atose
Mohs atose
ora Sumadhiya
1.50
18
Kacepetan swara
ora Sumadhiya
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
Fr
Sr
isotop
Isotop dikenal
33
6
27
12
keelektronegatifan
Pauling Elektronegativitas
0.70
99+
0.95
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.72
27
Allred Rochow Elektronegativitas
0.86
99+
0.99
37
Mulliken-Jaffe Elektronegativitas
0.68
25
1.00
18
Allen Elektronegativitas
0.67
99+
0.96
40
Electropositivity
Pauling Electropositivity
3.30
1
3.05
7
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol
99+
549.50 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,064.20 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
4,138.00 kJ / mol
10
Level Energy 4
ora Sumadhiya
5,500.00 kJ / mol
13
Level Energy 5th
ora Sumadhiya
6,910.00 kJ / mol
18
Level Energy 6th
ora Sumadhiya
8,760.00 kJ / mol
18
tingkat Energy 7
ora Sumadhiya
10,230.00 kJ / mol
19
Level Energy 8
ora Sumadhiya
11,800.00 kJ / mol
19
Level Energy 9
ora Sumadhiya
15,600.00 kJ / mol
17
Level Energy 10th
ora Sumadhiya
17,100.00 kJ / mol
19
Level Energy 11
ora Sumadhiya
31,270.00 kJ / mol
6
padha karo elektrokimia
8.32 g / amp-day
1
1.64 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
2.59 eV
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
87
31
38
99+
Konfigurasi elektron
[Rn] 7s 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
87
31
38
99+
Jumlah Neutron
136
17
50
99+
Jumlah Èlèktron
87
31
38
99+
Radius saka Atom
Radius atom
ora Sumadhiya
215.00 pm
5
kovalen Radius
260.00 pm
1
195.00 pm
15
Van der Waals Radius
348.00 pm
1
249.00 pm
7
Bobot atom
223.00 Amu
27
87.62 Amu
99+
Volume atom
ora Sumadhiya
33.70 cm3 / mol
6
Nomer atom jejer
Potensi Valence Electron
8.00 (-eV)
99+
25.70 (-eV)
99+
Constant pola
ora Sumadhiya
608.49 pm
6
pola Angles
NA
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
1.87 g / cm 3
99+
2.64 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
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+
Young kang pengaturan
ora Sumadhiya
15.70 GPA
99+
Poisson rasio
ora Sumadhiya
0.28
17
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
2.64
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman miskin
NA
resistivity
3.00 nΩ · m
99+
132.00 nΩ · m
24
konduktivitas listrik
0.03 10 6 / cm Ω
40
0.08 10 6 / cm Ω
26
elektron Affinity
ora Sumadhiya
5.03 kJ / mol
38
termal Properties
Kalor tartamtu
ora Sumadhiya
0.30 J / (kg K)
18
Graham Kapasitas kalor
ora Sumadhiya
26.40 J / mol · K
28
doyo termal
15.00 W / m · K
99+
35.40 W / m · K
37
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
22.50 μm / (m · K)
18
enthalpy
Enthalpy panguapan
ora Sumadhiya
150.00 kJ / mol
99+
Enthalpy saka Fusion
ora Sumadhiya
9.16 kJ / mol
38
Enthalpy saka atomization
71.00 kJ / mol
99+
163.20 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
55.00 J / mol.K
26
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