Symbol
Bh
Sr
Panggil Group
72
0
17
👆🏻
Panggil periode
75
2
7
👆🏻
Block
d block
s pemblokiran
Family unsur
transisi Metal
alkalin bumi
CAS Number
540371487440246
7429905
54386242
👆🏻
Jeneng papan Group
-
Fm_ 3M
Space Group Number
276.00225.00
11
276
👆🏻
Facts Interesting
- metal Bohrium uga dikenal minangka Unnilseptium (UNS) lan Nielsbohrium (Ns).
- unsur strontium alus saka Calcium.
- Perak Strontium dadi kuning, yen kapapar online.
sumber
Found in Minerals, Mining, sintetik Diprodhuksi
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Gesellschaft für Schwerionenforschung
William Cruickshank
Discovery
ing taun 1981
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 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %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 Bohrium 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
0.00 ° C1,384.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
-
perak Putih
luster
Unknown Luster
metallic
atose
Mohs atose
7.001.50
0.2
8.5
👆🏻
Brinell atose
270.00 MPa110.00 MPa
0.14
3490
👆🏻
Vickers atose
2,700.00 MPa15.00 MPa
0
3920
👆🏻
Kacepetan swara
2,680.00 m / s4,170.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.501.43
0.155
3.41
👆🏻
reflectivity
59.00 %65.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
Bh
Sr
isotop
Isotop dikenal
527
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
2.000.95
0
2.6
👆🏻
Sanderson Elektronegativitas
1.300.72
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.300.99
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.301.00
0.62
2.48
👆🏻
Allen Elektronegativitas
2.000.96
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.003.05
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
742.90 kJ / mol549.50 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,688.50 kJ / mol1,064.20 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
2,566.50 kJ / mol4,138.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
3,598.90 kJ / mol5,500.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
4,727.80 kJ / mol6,910.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,991.70 kJ / mol8,760.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
7,226.80 kJ / mol10,230.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
7,100.00 kJ / mol11,800.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,800.00 kJ / mol15,600.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
7,100.00 kJ / mol17,100.00 kJ / mol
392
144300
👆🏻
Level Energy 11
8,200.00 kJ / mol31,270.00 kJ / mol
392
169988
👆🏻
Level Energy 12
82,700.00 kJ / mol5,490.00 kJ / mol
0
189368
👆🏻
Level Energy 13
7,100.00 kJ / mol5,490.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
8,200.00 kJ / mol5,490.00 kJ / mol
380
86450
👆🏻
Level Energy 15
82,000.00 kJ / mol54,900.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
71,100.00 kJ / mol54,900.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
820.00 kJ / mol549.50 kJ / mol
375.7
122200
👆🏻
Level Energy 18
8,200.00 kJ / mol5,490.00 kJ / mol
0
134810
👆🏻
Level Energy 19
820.80 kJ / mol549.50 kJ / mol
375.7
148700
👆🏻
Level Energy 20
820.00 kJ / mol549.00 kJ / mol
0
171200
👆🏻
Level Energy 21
8,200.00 kJ / mol549.50 kJ / mol
375.7
179100
👆🏻
Level Energy 22
820.00 kJ / mol549.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
8,200.00 kJ / mol549.50 kJ / mol
357.6
198800
👆🏻
Level Energy 24
820.00 kJ / mol549.50 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
820.00 kJ / mol549.00 kJ / mol
0
121900
👆🏻
Level Energy 26th
820.00 kJ / mol549.50 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
820.00 kJ / mol549.50 kJ / mol
0
133800
👆🏻
Level Energy 28th
820.00 kJ / mol549.50 kJ / mol
297.3
139800
👆🏻
Level Energy 29
820.00 kJ / mol549.50 kJ / mol
0
148100
👆🏻
Level Energy 30
820.00 kJ / mol549.50 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
3.00 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
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Panggil atom
10738
3
117
👆🏻
Konfigurasi elektron
[Rn] 5F 14 6D 5 7s 2
[Kr] 5S 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
atom
Jumlah proton
10738
3
117
👆🏻
Jumlah Neutron
15550
4
285
👆🏻
Jumlah Èlèktron
10738
3
117
👆🏻
Radius saka Atom
Radius atom
128.00 pm215.00 pm
0
348
👆🏻
kovalen Radius
141.00 pm195.00 pm
0
260
👆🏻
Van der Waals Radius
0.00 pm249.00 pm
0
348
👆🏻
Bobot atom
270.00 Amu87.62 Amu
6.94
294
👆🏻
Volume atom
23.70 cm3 / mol33.70 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
27.20 (-eV)25.70 (-eV)
0
392.42
👆🏻
Constant pola
-608.49 pm
0
891.25
👆🏻
pola Angles
-
π/2, π/2, π/2
Pola C / A rasio
1.571.57
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
37.10 g / cm 32.64 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
37.10 g / cm32.38 g / cm3
0.512
41
👆🏻
Strength tensile
152.00 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
28.00 GPA6.03 GPA
1.3
222
👆🏻
pengaturan akeh
37.00 GPA11.00 GPA
0
462
👆🏻
Young kang pengaturan
0.00 GPA15.70 GPA
0
528
👆🏻
Poisson rasio
0.350.28
0.032
0.47
👆🏻
Properties Teknik liyane
-
-
Ciri Magnetic
Gravitasi tartamtu
37.002.64
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
6.50 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
-5.03 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.10 J / (kg K)0.30 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
37.10 J / mol · K26.40 J / mol · K
13.1
62.7
👆🏻
doyo termal
37.00 W / m · K35.40 W / m · K
0
429
👆🏻
suhu kritis
1,323.00 K1,050.00 K
26.3
3695
👆🏻
Expansion termal
14.30 μm / (m · K)22.50 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
270.50 kJ / mol150.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
-9.16 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
-163.20 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
57.00 J / mol.K55.00 J / mol.K
9.5
198.1
👆🏻