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strontium metal
strontium


Tabel périodik
Symbol
Sr
Panggil Group
2 16
Panggil periode
5 3
Block
s pemblokiran
Family unsur
alkalin bumi
CAS Number
7440246 56
Jeneng papan Group
Fm_ 3M
Space Group Number
225.00 3
facts
Facts Interesting
  • unsur strontium alus saka Calcium.
  • Perak Strontium dadi kuning, yen kapapar online.
sumber
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
William Cruickshank
Discovery
ing 1787
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 15
Turah mbrawah Ing Sun
0.00 % 15
Turah mbrawah Ing meteorit
0.00 % 15
Turah mbrawah Ing bumi lemah ndhuwur
0.04 % 10
Turah mbrawah Ing Segara
0.00 % 4
Turah mbrawah Ing Manungsa
0.00 % 8
ulah
Ulah lan Wuku
  • Logam strontium digunakake kanggo ngasilake magnet ferit uga nyaring seng.
  • Produk sampingan saka reaktor nuklir sing diarani Strontium-90 yaiku isotop radioaktif; diserep dening jaringan lan ngrusak sumsum balung lan wutah kanker.
Ulah Industrial
Industry amunisi, Industri Kimia
Ulah Medical
-
Ulah liyane
wesi
Properties biologi
keracunan
non Toxic
Saiki ing badan Human
Ya
Sang
0.03 Sang / mg dm-3 19
ing Bone
140.00 ppm 7
fisik
leleh Point
769.00 ° C 57
Boiling Point
1,384.00 ° C 63
katon
State fisik
Solid
warna
perak Putih
luster
metallic
atose
Mohs atose
1.50 19
Brinell atose
110.00 MPa 60
Vickers atose
15.00 MPa 68
Kacepetan swara
4,170.00 m / s 23
Properties Optical
bias Index
1.43 39
reflectivity
65.00 % 18
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
Sr
isotop
Isotop dikenal
27 12
keelektronegatifan
Pauling Elektronegativitas
0.95 48
Sanderson Elektronegativitas
0.72 46
Allred Rochow Elektronegativitas
0.99 38
Mulliken-Jaffe Elektronegativitas
1.00 46
Allen Elektronegativitas
0.96 57
Electropositivity
Pauling Electropositivity
3.05 7
tenogo ionisasi
Level Energy 1st
549.50 kJ / mol 70
Level Energy 2
1,064.20 kJ / mol 78
Level Energy 3rd
4,138.00 kJ / mol 10
Level Energy 4
5,500.00 kJ / mol 22
Level Energy 5th
6,910.00 kJ / mol 30
Level Energy 6th
8,760.00 kJ / mol 26
tingkat Energy 7
10,230.00 kJ / mol 19
Level Energy 8
11,800.00 kJ / mol 19
Level Energy 9
15,600.00 kJ / mol 17
Level Energy 10th
17,100.00 kJ / mol 19
Level Energy 11
31,270.00 kJ / mol 6
Level Energy 12
5,490.00 kJ / mol 71
Level Energy 13
5,490.00 kJ / mol 60
Level Energy 14
5,490.00 kJ / mol 47
Level Energy 15
54,900.00 kJ / mol 60
Level Energy 16
54,900.00 kJ / mol 48
Level Energy 17
549.50 kJ / mol 74
Level Energy 18
5,490.00 kJ / mol 62
Level Energy 19
549.50 kJ / mol 72
Level Energy 20
549.00 kJ / mol 66
Level Energy 21
549.50 kJ / mol 76
Level Energy 22
549.00 kJ / mol 61
Level Energy 23rd
549.50 kJ / mol 75
Level Energy 24
549.50 kJ / mol 65
Level Energy 25th
549.00 kJ / mol 63
Level Energy 26th
549.50 kJ / mol 71
Level Energy 27th
549.50 kJ / mol 67
Level Energy 28th
549.50 kJ / mol 71
Level Energy 29
549.50 kJ / mol 73
Level Energy 30
549.50 kJ / mol 67
padha karo elektrokimia
1.64 g / amp-day 49
Fungsi Work elektron
2.59 eV 53
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom
Panggil atom
38 74
Konfigurasi elektron
[Kr] 5S 2
Struktur Crystal
Face tengah kubik (FCC)
Crystal pola
FCC-Crystal-Structure-of-Strontium.jpg#100
atom
Jumlah proton
38 73
Jumlah Neutron
50 56
Jumlah Èlèktron
38 73
Radius saka Atom
Radius atom
215.00 pm 6
kovalen Radius
195.00 pm 15
Van der Waals Radius
249.00 pm 11
Bobot atom
87.62 Amu 68
Volume atom
33.70 cm3 / mol 9
Nomer atom jejer
unsur Previous
45
Sabanjure unsur
59
Potensi Valence Electron
25.70 (-eV) 59
Constant pola
608.49 pm 6
pola Angles
π/2, π/2, π/2
Pola C / A rasio
1.57 40
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
2.64 g / cm 3 80
Kapadhetan Nalika Liquid (ing mp)
2.38 g / cm3 81
Strength tensile
170.00 MPa 21
viskositas
0.00 2
meksa beluk
Meksa beluk ing 1000 K
121.00 (Pa) 1
Meksa beluk ing 2000 K
0.00 (Pa) 38
situs kelenturan
nyukur pengaturan
6.03 GPA 58
pengaturan akeh
11.00 GPA 58
Young kang pengaturan
15.70 GPA 54
Poisson rasio
0.28 17
Properties Teknik liyane
-
Magnetic
Ciri Magnetic
Gravitasi tartamtu
2.64 79
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 17
kelemahan
0.00 35
Properties Listrik
Property Listrik
-
resistivity
132.00 nΩ · m 24
konduktivitas listrik
0.08 10 6 / cm Ω 31
elektron Affinity
5.03 kJ / mol 44
termal
Kalor tartamtu
0.30 J / (kg K) 18
Graham Kapasitas kalor
26.40 J / mol · K 36
doyo termal
35.40 W / m · K 38
suhu kritis
1,050.00 K 59
Expansion termal
22.50 μm / (m · K) 19
enthalpy
Enthalpy panguapan
150.00 kJ / mol 69
Enthalpy saka Fusion
9.16 kJ / mol 44
Enthalpy saka atomization
163.20 kJ / mol 62
Standard molar Entropy
55.00 J / mol.K 34
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