berkelium mungsuh lanthanum
Tabel périodik
Symbol
Bk
La
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
6
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
lanthanide
CAS Number
7440406
99+
7439910
99+
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- X-ray Diffraction- senyawa sing beda saka logam Berkelium sing dikenali nggunakake.
- komersial saka logam Berkelium sing durung ditemokake.
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
sumber
Némbakaké Americium karo Alpha partikel.
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Lawrence Berkeley National Laboratory
Carl Gustaf Mosander
Discovery
ing taun 1949
Wonten ing taun 1838
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
2 * 10-7 %
22
Turah mbrawah Ing Sun
~-9999 %
~0.0000002 %
25
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
32
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
19
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
29
ulah
Ulah lan Wuku
- logam iki arang banget lan wis ora komersial.
Character length exceed error
Ulah Industrial
NA
Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
NA
wesi, Manufacturing mirror
Properties biologi
keracunan
Unknown
Low Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-3
37
ora Sumadhiya
ing Bone
0.00 ppm
36
0.08 ppm
24
fisik Properties
leleh Point
986.00 ° C
99+
920.00 ° C
99+
Boiling Point
2,627.00 ° C
40
3,469.00 ° C
18
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
metallic
NA
atose
Mohs atose
ora Sumadhiya
2.50
14
Brinell atose
ora Sumadhiya
350.00 MPa
30
Vickers atose
ora Sumadhiya
360.00 MPa
26
Kacepetan swara
ora Sumadhiya
2,475.00 m / s
37
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
La
isotop
Isotop dikenal
14
25
31
8
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.10
99+
Allred Rochow Elektronegativitas
1.20
27
1.08
31
Allen Elektronegativitas
2.70
1
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.70
22
2.90
10
tenogo ionisasi
Level Energy 1st
601.00 kJ / mol
99+
538.10 kJ / mol
99+
Level Energy 2
1,186.00 kJ / mol
99+
1,067.00 kJ / mol
99+
Level Energy 3rd
2,152.00 kJ / mol
99+
1,850.30 kJ / mol
99+
Level Energy 4
3,434.00 kJ / mol
99+
4,819.00 kJ / mol
22
Level Energy 5th
ora Sumadhiya
5,940.00 kJ / mol
25
padha karo elektrokimia
3.07 g / amp-day
16
1.73 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
3.50 eV
31
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
97
21
57
99+
Konfigurasi elektron
[Rn] 5F 9 7s 2
[Xe] 5d 2 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
DHCP-Crystal-Structure-of-Berkelium.jpg#100
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
atom
Jumlah proton
97
21
57
99+
Jumlah Neutron
150
11
82
99+
Jumlah Èlèktron
97
21
57
99+
Radius saka Atom
Radius atom
170.00 pm
22
187.00 pm
8
kovalen Radius
ora Sumadhiya
207.00 pm
6
Van der Waals Radius
ora Sumadhiya
240.00 pm
13
Bobot atom
247.00 Amu
18
138.91 Amu
99+
Volume atom
ora Sumadhiya
20.73 cm3 / mol
16
Nomer atom jejer
Potensi Valence Electron
45.50 (-eV)
36
40.71 (-eV)
99+
Constant pola
341.60 pm
99+
377.20 pm
28
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.62
2
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
14.78 g / cm 3
22
6.16 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
13.25 g / cm3
11
5.94 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.98 (Pa)
15
situs kelenturan
nyukur pengaturan
ora Sumadhiya
14.30 GPA
40
pengaturan akeh
ora Sumadhiya
27.90 GPA
99+
Young kang pengaturan
ora Sumadhiya
36.60 GPA
99+
Poisson rasio
ora Sumadhiya
0.28
17
Properties Teknik liyane
NA
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
14.00
14
6.17
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
ora Sumadhiya
615.00 nΩ · m
7
konduktivitas listrik
ora Sumadhiya
0.01 10 6 / cm Ω
99+
elektron Affinity
ora Sumadhiya
48.00 kJ / mol
23
termal Properties
Kalor tartamtu
ora Sumadhiya
0.19 J / (kg K)
32
Graham Kapasitas kalor
ora Sumadhiya
27.11 J / mol · K
21
doyo termal
10.00 W / m · K
99+
13.40 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
12.10 μm / (m · K)
32
enthalpy
Enthalpy panguapan
ora Sumadhiya
399.60 kJ / mol
17
Enthalpy saka Fusion
ora Sumadhiya
6.20 kJ / mol
99+
Enthalpy saka atomization
ora Sumadhiya
431.00 kJ / mol
16
Standard molar Entropy
ora Sumadhiya
56.90 J / mol.K
23
|
||
|
||
|
