berkelium mungsuh Samarium
Tabel périodik
Symbol
Bk
Sm
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
6
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
lanthanide
CAS Number
7440406
99+
7440199
99+
Jeneng papan Group
P63 / mmc
R_ 3M
Space Group Number
194.00
5
166.00
6
facts
Facts Interesting
- X-ray Diffraction- senyawa sing beda saka logam Berkelium sing dikenali nggunakake.
- komersial saka logam Berkelium sing durung ditemokake.
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
sumber
Némbakaké Americium karo Alpha partikel.
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Lawrence Berkeley National Laboratory
Lecoq de Boisbaudran
Discovery
ing taun 1949
ing taun 1879
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
5 * 10-7 %
19
Turah mbrawah Ing Sun
~-9999 %
~0.0000001 %
26
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
29
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
40
ulah
Ulah lan Wuku
- logam iki arang banget lan wis ora komersial.
Character length exceed error
Ulah Industrial
NA
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
NA
wesi, Ing Reactors Nuclear
Properties biologi
keracunan
Unknown
rada Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-3
37
0.01 Sang / mg dm-3
22
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
986.00 ° C
99+
1,072.00 ° C
99+
Boiling Point
2,627.00 ° C
40
1,900.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
metallic
lustrous
atose
Brinell atose
ora Sumadhiya
441.00 MPa
27
Vickers atose
ora Sumadhiya
412.00 MPa
24
Kacepetan swara
ora Sumadhiya
2,130.00 m / s
99+
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
Bk
Sm
isotop
Isotop dikenal
14
25
30
9
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.17
40
Allred Rochow Elektronegativitas
1.20
27
1.07
32
Allen Elektronegativitas
2.70
1
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.70
22
2.83
14
tenogo ionisasi
Level Energy 1st
601.00 kJ / mol
99+
544.50 kJ / mol
99+
Level Energy 2
1,186.00 kJ / mol
99+
1,070.00 kJ / mol
99+
Level Energy 3rd
2,152.00 kJ / mol
99+
2,260.00 kJ / mol
99+
Level Energy 4
3,434.00 kJ / mol
99+
3,990.00 kJ / mol
37
padha karo elektrokimia
3.07 g / amp-day
16
1.87 g / amp-day
34
Fungsi Work elektron
ora Sumadhiya
2.70 eV
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif
atom Properties
Panggil atom
97
21
62
99+
Konfigurasi elektron
[Rn] 5F 9 7s 2
[Xe] 4F 6 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Rhombohedral (RHO)
Crystal pola
DHCP-Crystal-Structure-of-Berkelium.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
atom
Jumlah proton
97
21
62
99+
Jumlah Neutron
150
11
88
39
Jumlah Èlèktron
97
21
62
99+
Radius saka Atom
Radius atom
170.00 pm
22
180.00 pm
14
kovalen Radius
ora Sumadhiya
198.00 pm
13
Van der Waals Radius
ora Sumadhiya
229.00 pm
20
Bobot atom
247.00 Amu
18
150.36 Amu
99+
Volume atom
ora Sumadhiya
19.95 cm3 / mol
19
Nomer atom jejer
Potensi Valence Electron
45.50 (-eV)
36
44.80 (-eV)
37
Constant pola
341.60 pm
99+
362.10 pm
33
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
14.78 g / cm 3
22
7.52 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
13.25 g / cm3
11
7.16 g / cm3
32
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.94 (Pa)
9
situs kelenturan
nyukur pengaturan
ora Sumadhiya
19.50 GPA
34
pengaturan akeh
ora Sumadhiya
37.80 GPA
35
Young kang pengaturan
ora Sumadhiya
49.70 GPA
37
Poisson rasio
ora Sumadhiya
0.27
19
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
14.00
14
7.52
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
ora Sumadhiya
0.94 nΩ · m
99+
konduktivitas listrik
ora Sumadhiya
0.01 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
ora Sumadhiya
0.20 J / (kg K)
31
Graham Kapasitas kalor
ora Sumadhiya
29.54 J / mol · K
7
doyo termal
10.00 W / m · K
99+
13.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
12.70 μm / (m · K)
30
enthalpy
Enthalpy panguapan
ora Sumadhiya
166.40 kJ / mol
99+
Enthalpy saka Fusion
ora Sumadhiya
8.62 kJ / mol
40
Enthalpy saka atomization
ora Sumadhiya
209.00 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
69.60 J / mol.K
15
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