Symbol
Rg
Sr
Panggil Group
112
0
17
👆🏻
Panggil periode
75
2
7
👆🏻
Block
d block
s pemblokiran
Family unsur
-
alkalin bumi
CAS Number
543862427440246
7429905
54386242
👆🏻
Jeneng papan Group
-
Fm_ 3M
Space Group Number
194.00225.00
11
276
👆🏻
Facts Interesting
Roentgenium minangka unsur sintetik sing ora stabil.
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
sumber
sintetik Diprodhuksi
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Gesellschaft für Schwerionenforschung
William Cruickshank
Discovery
ing taun 1994
ing 1787
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
-0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
-0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
-0.04 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
-0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
-0.00 %
0
1.4
👆🏻
Ulah lan Wuku
- Efesus saiki dikenal saka logam Roentgenium sing winates kanggo riset waé mung.
- 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
tujuan Research
wesi
Properties biologi
keracunan
-
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-30.03 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.00 ppm140.00 ppm
0
170000
👆🏻
leleh Point
-769.00 ° C
-38.83
3410
👆🏻
Boiling Point
2,800.00 ° C1,384.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
Unknown Luster
metallic
atose
Mohs atose
-1.50
0.2
8.5
👆🏻
Brinell atose
700.00 MPa110.00 MPa
0.14
3490
👆🏻
Vickers atose
450.00 MPa15.00 MPa
0
3920
👆🏻
Kacepetan swara
3,430.00 m / s4,170.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.301.43
0.155
3.41
👆🏻
reflectivity
64.00 %65.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Rg
Sr
isotop
Isotop dikenal
127
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
0.000.95
0
2.6
👆🏻
Sanderson Elektronegativitas
1.900.72
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.300.99
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
0.901.00
0.62
2.48
👆🏻
Allen Elektronegativitas
0.800.96
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.203.05
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
1,022.70 kJ / mol549.50 kJ / mol
375.7
26130
👆🏻
Level Energy 2
2,074.40 kJ / mol1,064.20 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
3,077.90 kJ / mol4,138.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
4,052.40 kJ / mol5,500.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,306.70 kJ / mol6,910.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
11,100.00 kJ / mol8,760.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,800.00 kJ / mol10,230.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,800.00 kJ / mol11,800.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,650.00 kJ / mol15,600.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
5,800.00 kJ / mol17,100.00 kJ / mol
392
144300
👆🏻
Level Energy 11
8,300.00 kJ / mol31,270.00 kJ / mol
392
169988
👆🏻
Level Energy 12
8,300.00 kJ / mol5,490.00 kJ / mol
0
189368
👆🏻
Level Energy 13
8,700.00 kJ / mol5,490.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
8,300.00 kJ / mol5,490.00 kJ / mol
380
86450
👆🏻
Level Energy 15
87,000.00 kJ / mol54,900.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
83,000.00 kJ / mol54,900.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
830.80 kJ / mol549.50 kJ / mol
375.7
122200
👆🏻
Level Energy 18
8,300.00 kJ / mol5,490.00 kJ / mol
0
134810
👆🏻
Level Energy 19
580.00 kJ / mol549.50 kJ / mol
375.7
148700
👆🏻
Level Energy 20
580.00 kJ / mol549.00 kJ / mol
0
171200
👆🏻
Level Energy 21
5,800.00 kJ / mol549.50 kJ / mol
375.7
179100
👆🏻
Level Energy 22
580.00 kJ / mol549.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
5,800.00 kJ / mol549.50 kJ / mol
357.6
198800
👆🏻
Level Energy 24
538.70 kJ / mol549.50 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
0.00 kJ / mol549.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
580.00 kJ / mol549.50 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
580.00 kJ / mol549.50 kJ / mol
0
133800
👆🏻
Level Energy 28th
880.00 kJ / mol549.50 kJ / mol
297.3
139800
👆🏻
Level Energy 29
580.00 kJ / mol549.50 kJ / mol
0
148100
👆🏻
Level Energy 30
0.00 kJ / mol549.50 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
3.10 g / amp-day1.64 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.90 eV2.59 eV
2.14
6
👆🏻
Properties Kimia liyane
-
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Panggil atom
11138
3
117
👆🏻
Konfigurasi elektron
[Rn] 5F 14 6D 9 7s 2
[Kr] 5S 2
Struktur Crystal
Body tengah kubik (Bcc)
Face tengah kubik (FCC)
Crystal pola
atom
Jumlah proton
11138
3
117
👆🏻
Jumlah Neutron
16150
4
285
👆🏻
Jumlah Èlèktron
11138
3
117
👆🏻
Radius saka Atom
Radius atom
200.00 pm215.00 pm
0
348
👆🏻
kovalen Radius
126.00 pm195.00 pm
0
260
👆🏻
Van der Waals Radius
280.00 pm249.00 pm
0
348
👆🏻
Bobot atom
281.00 Amu87.62 Amu
6.94
294
👆🏻
Volume atom
28.70 cm3 / mol33.70 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
11.90 (-eV)25.70 (-eV)
0
392.42
👆🏻
Constant pola
0.00 pm608.49 pm
0
891.25
👆🏻
pola Angles
-
π/2, π/2, π/2
Pola C / A rasio
1.901.57
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
28.70 g / cm 32.64 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
28.70 g / cm32.38 g / cm3
0.512
41
👆🏻
Strength tensile
65.00 MPa170.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)121.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)0.00 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
26.00 GPA6.03 GPA
1.3
222
👆🏻
pengaturan akeh
0.00 GPA11.00 GPA
0
462
👆🏻
Young kang pengaturan
12.70 GPA15.70 GPA
0
528
👆🏻
Poisson rasio
0.300.28
0.032
0.47
👆🏻
Properties Teknik liyane
-
-
Ciri Magnetic
Gravitasi tartamtu
28.702.64
0.53
4500
👆🏻
Nindakake Magnetic
-
paramagnetic
permeabilitas
0.00 H / m0.00 H / m
1.25643E-06
0.0063
👆🏻
kelemahan
0.000.00
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
-
-
resistivity
0.20 nΩ · m132.00 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.00 10 6 / cm Ω0.08 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
50.00 kJ / mol5.03 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.13 J / (kg K)0.30 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
23.70 J / mol · K26.40 J / mol · K
13.1
62.7
👆🏻
doyo termal
0.10 W / m · K35.40 W / m · K
0
429
👆🏻
suhu kritis
1,100.00 K1,050.00 K
26.3
3695
👆🏻
Expansion termal
12.60 μm / (m · K)22.50 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
580.00 kJ / mol150.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
-9.16 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
580.00 kJ / mol163.20 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
57.00 J / mol.K55.00 J / mol.K
9.5
198.1
👆🏻