lanthanum mungsuh Lead
Tabel périodik
Symbol
La
Pb
Panggil Group
ora Sumadhiya
14
4
Panggil periode
6
6
Block
pemblokiran f
p pemblokiran
Family unsur
lanthanide
Transisi Post-
CAS Number
7439910
99+
7439921
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Lanthanum logam punika Highly malleable, ductile lan sectile.
- Yen kapapar logam Lanthanum online oxidizes kanthi cepet.
- Galena Mineral ngandhut meh 87% saka logam Lead ing, Galena punika sulfide Mineral.
- Sumber kasedhiya paling saka logam Lead dina iku dening ulang batre automobile.
sumber
Found in Minerals, Mining, Ores saka Minerals
bumi lemah ndhuwur, Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Carl Gustaf Mosander
Unknown
Discovery
Wonten ing taun 1838
Ing Tengah Easterns (7000 SM)
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
1 * 10-6 %
16
Turah mbrawah Ing Sun
~0.0000002 %
25
~0.000001 %
18
Turah mbrawah Ing meteorit
0.00 %
32
0.00 %
23
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
19
0.00 %
26
Turah mbrawah Ing Segara
0.00 %
29
0.00 %
22
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
8
ulah
Ulah lan Wuku
Character length exceed error
- Sampeyan uga dipigunakaké ing insecticides, alami rambute lan minangka aditif anti-nuthuk kanggo bensin. Nanging kabeh iki dilarang déning pamaréntah minangka logam Lead dikenal kanggo ngrugekake kanggo kesehatan.
Ulah Industrial
Industry Listrik, Industry Elektronik
Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
NA
Surgical Instruments Manufacturing
Ulah liyane
wesi, Manufacturing mirror
wesi
Properties biologi
keracunan
Low Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
ora Sumadhiya
0.21 Sang / mg dm-3
11
ing Bone
0.08 ppm
24
30.00 ppm
10
fisik Properties
leleh Point
920.00 ° C
99+
327.50 ° C
99+
Boiling Point
3,469.00 ° C
18
1,740.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
NA
metallic
atose
Mohs atose
2.50
14
1.50
18
Brinell atose
350.00 MPa
30
38.00 MPa
99+
Vickers atose
360.00 MPa
26
ora Sumadhiya
Kacepetan swara
2,475.00 m / s
37
1,190.00 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
La
Pb
isotop
Isotop dikenal
31
8
35
4
keelektronegatifan
Pauling Elektronegativitas
1.10
99+
1.87
13
Sanderson Elektronegativitas
ora Sumadhiya
2.29
4
Allred Rochow Elektronegativitas
1.08
31
1.55
11
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.41
2
Allen Elektronegativitas
ora Sumadhiya
1.85
8
Electropositivity
Pauling Electropositivity
2.90
10
1.67
99+
tenogo ionisasi
Level Energy 1st
538.10 kJ / mol
99+
715.60 kJ / mol
31
Level Energy 2
1,067.00 kJ / mol
99+
1,450.50 kJ / mol
99+
Level Energy 3rd
1,850.30 kJ / mol
99+
3,081.50 kJ / mol
23
Level Energy 4
4,819.00 kJ / mol
22
4,083.00 kJ / mol
35
Level Energy 5th
5,940.00 kJ / mol
25
6,640.00 kJ / mol
20
padha karo elektrokimia
1.73 g / amp-day
99+
3.87 g / amp-day
9
Fungsi Work elektron
3.50 eV
31
4.25 eV
21
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
57
99+
82
34
Konfigurasi elektron
[Xe] 5d 2 6s 2
[Xe] 4F 14 5d 10 6s 2 6p 2
Struktur Crystal
Double Hexagonal Tutup dikempalken (DHCP)
Face tengah kubik (FCC)
Crystal pola
DHCP-Crystal-Structure-of-Lanthanum.jpg#100
FCC-Crystal-Structure-of-Lead.jpg#100
atom
Jumlah proton
57
99+
82
34
Jumlah Neutron
82
99+
125
19
Jumlah Èlèktron
57
99+
82
34
Radius saka Atom
Radius atom
187.00 pm
8
175.00 pm
19
kovalen Radius
207.00 pm
6
146.00 pm
38
Van der Waals Radius
240.00 pm
13
202.00 pm
27
Bobot atom
138.91 Amu
99+
207.20 Amu
30
Volume atom
20.73 cm3 / mol
16
18.17 cm3 / mol
27
Nomer atom jejer
Potensi Valence Electron
40.71 (-eV)
99+
24.20 (-eV)
99+
Constant pola
377.20 pm
28
495.08 pm
16
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.62
2
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
6.16 g / cm 3
99+
11.34 g / cm 3
33
Kapadhetan Nalika Liquid (ing mp)
5.94 g / cm3
99+
10.66 g / cm3
15
Strength tensile
ora Sumadhiya
12.00 MPa
20
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
1.64 (Pa)
7
Meksa beluk ing 2000 K
0.98 (Pa)
15
ora Sumadhiya
situs kelenturan
nyukur pengaturan
14.30 GPA
40
5.60 GPA
99+
pengaturan akeh
27.90 GPA
99+
46.00 GPA
24
Young kang pengaturan
36.60 GPA
99+
16.00 GPA
99+
Poisson rasio
0.28
17
0.44
3
Properties Teknik liyane
ductile
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
6.17
99+
11.35
25
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Arman miskin
resistivity
615.00 nΩ · m
7
208.00 nΩ · m
16
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.05 10 6 / cm Ω
36
elektron Affinity
48.00 kJ / mol
23
35.10 kJ / mol
28
termal Properties
Kalor tartamtu
0.19 J / (kg K)
32
0.13 J / (kg K)
39
Graham Kapasitas kalor
27.11 J / mol · K
21
26.65 J / mol · K
26
doyo termal
13.40 W / m · K
99+
35.30 W / m · K
38
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.10 μm / (m · K)
32
28.90 μm / (m · K)
13
enthalpy
Enthalpy panguapan
399.60 kJ / mol
17
179.40 kJ / mol
99+
Enthalpy saka Fusion
6.20 kJ / mol
99+
4.77 kJ / mol
99+
Enthalpy saka atomization
431.00 kJ / mol
16
194.60 kJ / mol
99+
Standard molar Entropy
56.90 J / mol.K
23
64.80 J / mol.K
17
|
||
|
||
|
