Lead mungsuh Samarium
Tabel périodik
Symbol
Pb
Sm
Panggil Group
14
4
ora Sumadhiya
Panggil periode
6
6
Block
p pemblokiran
pemblokiran f
Family unsur
Transisi Post-
lanthanide
CAS Number
7439921
99+
7440199
99+
Jeneng papan Group
Fm_ 3M
R_ 3M
Space Group Number
225.00
2
166.00
6
facts
Facts Interesting
- 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.
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores logam, Ores saka Minerals
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Unknown
Lecoq de Boisbaudran
Discovery
Ing Tengah Easterns (7000 SM)
ing taun 1879
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
5 * 10-7 %
19
Turah mbrawah Ing Sun
~0.000001 %
18
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
23
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
26
0.00 %
29
Turah mbrawah Ing Segara
0.00 %
22
0.00 %
40
Turah mbrawah Ing Manungsa
0.00 %
8
ora Sumadhiya
ulah
Ulah lan Wuku
- 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.
Character length exceed error
Ulah Industrial
Industri Kimia, Industry Listrik, Industry Elektronik
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
Surgical Instruments Manufacturing
NA
Ulah liyane
wesi
wesi, Ing Reactors Nuclear
Properties biologi
keracunan
Toxic
rada Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.21 Sang / mg dm-3
11
0.01 Sang / mg dm-3
22
ing Bone
30.00 ppm
10
ora Sumadhiya
fisik Properties
leleh Point
327.50 ° C
99+
1,072.00 ° C
99+
Boiling Point
1,740.00 ° C
99+
1,900.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gray
perak Putih
luster
metallic
lustrous
atose
Mohs atose
1.50
18
ora Sumadhiya
Brinell atose
38.00 MPa
99+
441.00 MPa
27
Vickers atose
ora Sumadhiya
412.00 MPa
24
Kacepetan swara
1,190.00 m / s
99+
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
Pb
Sm
isotop
Isotop dikenal
35
4
30
9
keelektronegatifan
Pauling Elektronegativitas
1.87
13
1.17
40
Sanderson Elektronegativitas
2.29
4
ora Sumadhiya
Allred Rochow Elektronegativitas
1.55
11
1.07
32
Mulliken-Jaffe Elektronegativitas
2.41
2
ora Sumadhiya
Allen Elektronegativitas
1.85
8
ora Sumadhiya
Electropositivity
Pauling Electropositivity
1.67
99+
2.83
14
tenogo ionisasi
Level Energy 1st
715.60 kJ / mol
31
544.50 kJ / mol
99+
Level Energy 2
1,450.50 kJ / mol
99+
1,070.00 kJ / mol
99+
Level Energy 3rd
3,081.50 kJ / mol
23
2,260.00 kJ / mol
99+
Level Energy 4
4,083.00 kJ / mol
35
3,990.00 kJ / mol
37
Level Energy 5th
6,640.00 kJ / mol
20
ora Sumadhiya
padha karo elektrokimia
3.87 g / amp-day
9
1.87 g / amp-day
34
Fungsi Work elektron
4.25 eV
21
2.70 eV
99+
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
ionisasi, Isotop radioaktif
atom Properties
Panggil atom
82
34
62
99+
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 2
[Xe] 4F 6 6s 2
Struktur Crystal
Face tengah kubik (FCC)
Rhombohedral (RHO)
Crystal pola
FCC-Crystal-Structure-of-Lead.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
atom
Jumlah proton
82
34
62
99+
Jumlah Neutron
125
19
88
39
Jumlah Èlèktron
82
34
62
99+
Radius saka Atom
Radius atom
175.00 pm
19
180.00 pm
14
kovalen Radius
146.00 pm
38
198.00 pm
13
Van der Waals Radius
202.00 pm
27
229.00 pm
20
Bobot atom
207.20 Amu
30
150.36 Amu
99+
Volume atom
18.17 cm3 / mol
27
19.95 cm3 / mol
19
Nomer atom jejer
Potensi Valence Electron
24.20 (-eV)
99+
44.80 (-eV)
37
Constant pola
495.08 pm
16
362.10 pm
33
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
11.34 g / cm 3
33
7.52 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
10.66 g / cm3
15
7.16 g / cm3
32
Strength tensile
12.00 MPa
20
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
1.64 (Pa)
7
0.94 (Pa)
9
situs kelenturan
nyukur pengaturan
5.60 GPA
99+
19.50 GPA
34
pengaturan akeh
46.00 GPA
24
37.80 GPA
35
Young kang pengaturan
16.00 GPA
99+
49.70 GPA
37
Poisson rasio
0.44
3
0.27
19
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
11.35
25
7.52
99+
Nindakake Magnetic
diamagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman miskin
Arman
resistivity
208.00 nΩ · m
16
0.94 nΩ · m
99+
konduktivitas listrik
0.05 10 6 / cm Ω
36
0.01 10 6 / cm Ω
99+
elektron Affinity
35.10 kJ / mol
28
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.20 J / (kg K)
31
Graham Kapasitas kalor
26.65 J / mol · K
26
29.54 J / mol · K
7
doyo termal
35.30 W / m · K
38
13.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
28.90 μm / (m · K)
13
12.70 μm / (m · K)
30
enthalpy
Enthalpy panguapan
179.40 kJ / mol
99+
166.40 kJ / mol
99+
Enthalpy saka Fusion
4.77 kJ / mol
99+
8.62 kJ / mol
40
Enthalpy saka atomization
194.60 kJ / mol
99+
209.00 kJ / mol
99+
Standard molar Entropy
64.80 J / mol.K
17
69.60 J / mol.K
15
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