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 Mbandhingaké Logam

lanthanum metal
lanthanum


Tabel périodik
Symbol
La
Panggil Group
3 15
Panggil periode
6 2
Block
pemblokiran f
Family unsur
lanthanide
CAS Number
7439910 87
Jeneng papan Group
P63 / mmc
Space Group Number
194.00 7
facts
Facts Interesting
  • Lanthanum logam punika Highly malleable, ductile lan sectile.
  • Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
sumber
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Carl Gustaf Mosander
Discovery
Wonten ing taun 1838
turah mbrawah
Turah mbrawah Ing Universe
0.00 % 23
Turah mbrawah Ing Sun
0.00 % 25
Turah mbrawah Ing meteorit
0.00 % 32
Turah mbrawah Ing bumi lemah ndhuwur
0.00 % 19
Turah mbrawah Ing Segara
0.00 % 29
Turah mbrawah Ing Manungsa
0.00 % 24
ulah
Ulah lan Wuku
  • Ora ana panggunaan komersial, nanging paduane akeh dikarepake. Lanthanum lan Nikel alloy digunakake kanggo panyimpenan gas hidrogen.
  • Panggunaan paling misuwur kanggo campuran mischmetal saka Lanthanum yaiku; minangka 'flints' kanggo korek rokok.
Ulah Industrial
Industry Listrik, Industry Elektronik
Ulah Medical
-
Ulah liyane
wesi, Manufacturing mirror
Properties biologi
keracunan
Low Toxic
Saiki ing badan Human
Ya
Sang
0.00 Sang / mg dm-3 32
ing Bone
0.08 ppm 29
fisik
leleh Point
920.00 ° C 49
Boiling Point
3,469.00 ° C 19
katon
State fisik
Solid
warna
perak Putih
luster
-
atose
Mohs atose
2.50 15
Brinell atose
350.00 MPa 36
Vickers atose
360.00 MPa 42
Kacepetan swara
2,475.00 m / s 53
Properties Optical
bias Index
1.80 22
reflectivity
70.00 % 13
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Kimia
Formula Kimia
La
isotop
Isotop dikenal
31 8
keelektronegatifan
Pauling Elektronegativitas
1.10 45
Sanderson Elektronegativitas
1.10 38
Allred Rochow Elektronegativitas
1.08 32
Mulliken-Jaffe Elektronegativitas
1.10 44
Allen Elektronegativitas
1.10 55
Electropositivity
Pauling Electropositivity
2.90 10
tenogo ionisasi
Level Energy 1st
538.10 kJ / mol 75
Level Energy 2
1,067.00 kJ / mol 77
Level Energy 3rd
1,850.30 kJ / mol 84
Level Energy 4
4,819.00 kJ / mol 32
Level Energy 5th
5,940.00 kJ / mol 48
Level Energy 6th
5,380.00 kJ / mol 80
tingkat Energy 7
5,380.00 kJ / mol 71
Level Energy 8
5,380.00 kJ / mol 69
Level Energy 9
5,380.00 kJ / mol 68
Level Energy 10th
5,380.00 kJ / mol 67
Level Energy 11
5,380.00 kJ / mol 72
Level Energy 12
5,380.00 kJ / mol 75
Level Energy 13
5,380.00 kJ / mol 64
Level Energy 14
5,380.00 kJ / mol 51
Level Energy 15
53,800.00 kJ / mol 64
Level Energy 16
53,800.00 kJ / mol 52
Level Energy 17
538.10 kJ / mol 80
Level Energy 18
5,380.00 kJ / mol 66
Level Energy 19
538.10 kJ / mol 79
Level Energy 20
538.00 kJ / mol 69
Level Energy 21
538.10 kJ / mol 80
Level Energy 22
538.00 kJ / mol 64
Level Energy 23rd
5,380.00 kJ / mol 25
Level Energy 24
538.00 kJ / mol 75
Level Energy 25th
538.00 kJ / mol 67
Level Energy 26th
538.00 kJ / mol 76
Level Energy 27th
538.10 kJ / mol 71
Level Energy 28th
538.00 kJ / mol 74
Level Energy 29
538.10 kJ / mol 77
Level Energy 30
538.00 kJ / mol 71
padha karo elektrokimia
1.73 g / amp-day 46
Fungsi Work elektron
3.50 eV 42
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
atom
Panggil atom
57 59
Konfigurasi elektron
[Xe] 5d 2 6s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
atom
Jumlah proton
57 58
Jumlah Neutron
82 42
Jumlah Èlèktron
57 58
Radius saka Atom
Radius atom
187.00 pm 10
kovalen Radius
207.00 pm 6
Van der Waals Radius
240.00 pm 17
Bobot atom
138.91 Amu 53
Volume atom
20.73 cm3 / mol 26
Nomer atom jejer
unsur Previous
28
Sabanjure unsur
49
Potensi Valence Electron
40.71 (-eV) 47
Constant pola
377.20 pm 31
pola Angles
π/2, π/2, 2 π/3
Pola C / A rasio
1.62 16
Teknik
Kapadhetan
Kapadhetan Ing suhu kamar
6.16 g / cm 3 70
Kapadhetan Nalika Liquid (ing mp)
5.94 g / cm3 73
Strength tensile
45.00 MPa 40
viskositas
0.00 25
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa) 22
Meksa beluk ing 2000 K
0.98 (Pa) 15
situs kelenturan
nyukur pengaturan
14.30 GPA 51
pengaturan akeh
27.90 GPA 52
Young kang pengaturan
36.60 GPA 47
Poisson rasio
0.28 17
Properties Teknik liyane
ductile
Magnetic
Ciri Magnetic
Gravitasi tartamtu
6.17 68
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m 15
kelemahan
0.00 25
Properties Listrik
Property Listrik
Arman
resistivity
615.00 nΩ · m 7
konduktivitas listrik
0.01 10 6 / cm Ω 56
elektron Affinity
48.00 kJ / mol 28
termal
Kalor tartamtu
0.19 J / (kg K) 33
Graham Kapasitas kalor
27.11 J / mol · K 27
doyo termal
13.40 W / m · K 58
suhu kritis
1,193.00 K 53
Expansion termal
12.10 μm / (m · K) 43
enthalpy
Enthalpy panguapan
399.60 kJ / mol 24
Enthalpy saka Fusion
6.20 kJ / mol 56
Enthalpy saka atomization
431.00 kJ / mol 21
Standard molar Entropy
56.90 J / mol.K 31
Tabel périodik >>
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