Symbol
La
U
Panggil Group
30
0
17
👆🏻
Panggil periode
67
2
7
👆🏻
Block
pemblokiran f
pemblokiran f
Family unsur
lanthanide
actinide
CAS Number
74399107440611
7429905
54386242
👆🏻
Jeneng papan Group
P63 / mmc
Cmcm
Space Group Number
194.0063.00
11
276
👆🏻
Facts Interesting
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
- negara mining utama saka Uranium kalebu Rusia, Australia, Namibia, Kanada lan Niger lan total 33% Uranium sing mine ing Kazakhstan.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Mining, Ores saka Minerals
History
sing katutup
Carl Gustaf Mosander
-
Discovery
Wonten ing taun 1838
ing taun 1789
turah mbrawah
Turah mbrawah Ing Universe
0.00 %0.00 %
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %0.00 %
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %0.00 %
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %0.00 %
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
0.00 %0.00 %
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %0.00 %
0
1.4
👆🏻
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.
- Gunakake utama saka logam kalebu bahan bakar nuklir kang digunakake kanggo generate yin listrik stasiun daya nuklir.
- unsur sintetis kaya transuranium sing digawe saka logam Uranium.
Ulah Industrial
Industry Listrik, Industry Elektronik
Industry amunisi, Industri Kimia
Ulah Medical
-
-
Ulah liyane
wesi, Manufacturing mirror
wesi, Jewellery, Bahan bakar nuklir reaktor kang, patung, Statues
Properties biologi
keracunan
Low Toxic
Toxic
Saiki ing badan Human
Ya
Ora
Sang
0.00 Sang / mg dm-30.00 Sang / mg dm-3
0
1970
👆🏻
ing Bone
0.08 ppm1.20 ppm
0
170000
👆🏻
leleh Point
920.00 ° C1,132.00 ° C
-38.83
3410
👆🏻
Boiling Point
3,469.00 ° C3,818.00 ° C
0
5660
👆🏻
katon
State fisik
Solid
Solid
warna
perak Putih
perak Gray
luster
-
metallic
atose
Mohs atose
2.506.00
0.2
8.5
👆🏻
Brinell atose
350.00 MPa2,350.00 MPa
0.14
3490
👆🏻
Vickers atose
360.00 MPa1,960.00 MPa
0
3920
👆🏻
Kacepetan swara
2,475.00 m / s3,155.00 m / s
818
16200
👆🏻
Properties Optical
bias Index
1.801.38
0.155
3.41
👆🏻
reflectivity
70.00 %80.00 %
5
97
👆🏻
allotropes
Ora
Ora
α allotropes
-
-
β allotropes
-
-
γ allotropes
-
-
Formula Kimia
La
U
isotop
Isotop dikenal
3125
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
1.101.38
0
2.6
👆🏻
Sanderson Elektronegativitas
1.101.38
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
1.081.22
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
1.101.38
0.62
2.48
👆🏻
Allen Elektronegativitas
1.101.38
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
2.902.62
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
538.10 kJ / mol597.60 kJ / mol
375.7
26130
👆🏻
Level Energy 2
1,067.00 kJ / mol1,420.00 kJ / mol
392.8
28750
👆🏻
Level Energy 3rd
1,850.30 kJ / mol1,900.00 kJ / mol
392.8
34230
👆🏻
Level Energy 4
4,819.00 kJ / mol3,145.00 kJ / mol
375.7
37066
👆🏻
Level Energy 5th
5,940.00 kJ / mol5,976.00 kJ / mol
392
97510
👆🏻
Level Energy 6th
5,380.00 kJ / mol5,976.00 kJ / mol
1007
105800
👆🏻
tingkat Energy 7
5,380.00 kJ / mol5,970.00 kJ / mol
1007
114300
👆🏻
Level Energy 8
5,380.00 kJ / mol5,976.00 kJ / mol
730
125300
👆🏻
Level Energy 9
5,380.00 kJ / mol5,976.00 kJ / mol
1007
134700
👆🏻
Level Energy 10th
5,380.00 kJ / mol5,976.00 kJ / mol
392
144300
👆🏻
Level Energy 11
5,380.00 kJ / mol5,976.00 kJ / mol
392
169988
👆🏻
Level Energy 12
5,380.00 kJ / mol5,970.00 kJ / mol
0
189368
👆🏻
Level Energy 13
5,380.00 kJ / mol5,970.00 kJ / mol
1007
76015
👆🏻
Level Energy 14
5,380.00 kJ / mol5,970.00 kJ / mol
380
86450
👆🏻
Level Energy 15
53,800.00 kJ / mol59,700.00 kJ / mol
33000
100700
👆🏻
Level Energy 16
53,800.00 kJ / mol59,700.00 kJ / mol
375.7
109480
👆🏻
Level Energy 17
538.10 kJ / mol597.60 kJ / mol
375.7
122200
👆🏻
Level Energy 18
5,380.00 kJ / mol5,976.00 kJ / mol
0
134810
👆🏻
Level Energy 19
538.10 kJ / mol597.60 kJ / mol
375.7
148700
👆🏻
Level Energy 20
538.00 kJ / mol597.00 kJ / mol
0
171200
👆🏻
Level Energy 21
538.10 kJ / mol597.60 kJ / mol
375.7
179100
👆🏻
Level Energy 22
538.00 kJ / mol597.00 kJ / mol
330
184900
👆🏻
Level Energy 23rd
5,380.00 kJ / mol597.60 kJ / mol
357.6
198800
👆🏻
Level Energy 24
538.00 kJ / mol597.60 kJ / mol
297.3
195200
👆🏻
Level Energy 25th
538.00 kJ / mol597.60 kJ / mol
0
121900
👆🏻
Level Energy 26th
538.00 kJ / mol597.60 kJ / mol
357.6
127700
👆🏻
Level Energy 27th
538.10 kJ / mol597.60 kJ / mol
0
133800
👆🏻
Level Energy 28th
538.00 kJ / mol597.60 kJ / mol
297.3
139800
👆🏻
Level Energy 29
538.10 kJ / mol597.60 kJ / mol
0
148100
👆🏻
Level Energy 30
538.00 kJ / mol597.60 kJ / mol
0
154500
👆🏻
padha karo elektrokimia
1.73 g / amp-day1.48 g / amp-day
0.16812
8.3209
👆🏻
Fungsi Work elektron
3.50 eV3.63 eV
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
Panggil atom
5792
3
117
👆🏻
Konfigurasi elektron
[Xe] 5d 2 6s 2
[Rn] 5F 3 6D 1 7s 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Orthorhombic (Orth)
Crystal pola
atom
Jumlah proton
5792
3
117
👆🏻
Jumlah Neutron
82146
4
285
👆🏻
Jumlah Èlèktron
5792
3
117
👆🏻
Radius saka Atom
Radius atom
187.00 pm156.00 pm
0
348
👆🏻
kovalen Radius
207.00 pm196.00 pm
0
260
👆🏻
Van der Waals Radius
240.00 pm186.00 pm
0
348
👆🏻
Bobot atom
138.91 Amu238.03 Amu
6.94
294
👆🏻
Volume atom
20.73 cm3 / mol12.59 cm3 / mol
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
40.71 (-eV)170.00 (-eV)
0
392.42
👆🏻
Constant pola
377.20 pm295.08 pm
0
891.25
👆🏻
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.621.02
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
6.16 g / cm 319.10 g / cm 3
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
5.94 g / cm317.30 g / cm3
0.512
41
👆🏻
Strength tensile
45.00 MPa100.00 MPa
0.1
11000
👆🏻
viskositas
0.000.00
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)0.00 (Pa)
0
121
👆🏻
Meksa beluk ing 2000 K
0.98 (Pa)0.01 (Pa)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
14.30 GPA111.00 GPA
1.3
222
👆🏻
pengaturan akeh
27.90 GPA100.00 GPA
0
462
👆🏻
Young kang pengaturan
36.60 GPA208.00 GPA
0
528
👆🏻
Poisson rasio
0.280.23
0.032
0.47
👆🏻
Properties Teknik liyane
ductile
ductile, malleable
Ciri Magnetic
Gravitasi tartamtu
6.1718.80
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
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
Arman
Arman miskin
resistivity
615.00 nΩ · m0.28 nΩ · m
0.1
961
👆🏻
konduktivitas listrik
0.01 10 6 / cm Ω0.04 10 6 / cm Ω
0
0.63
👆🏻
elektron Affinity
48.00 kJ / mol50.60 kJ / mol
0
222.8
👆🏻
Kalor tartamtu
0.19 J / (kg K)0.12 J / (kg K)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.11 J / mol · K27.67 J / mol · K
13.1
62.7
👆🏻
doyo termal
13.40 W / m · K27.50 W / m · K
0
429
👆🏻
suhu kritis
1,193.00 K1,405.00 K
26.3
3695
👆🏻
Expansion termal
12.10 μm / (m · K)13.90 μm / (m · K)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
399.60 kJ / mol477.00 kJ / mol
7.32
799.1
👆🏻
Enthalpy saka Fusion
6.20 kJ / mol15.48 kJ / mol
2.1
35.23
👆🏻
Enthalpy saka atomization
431.00 kJ / mol489.50 kJ / mol
61.5
837
👆🏻
Standard molar Entropy
56.90 J / mol.K50.20 J / mol.K
9.5
198.1
👆🏻