Samarium mungsuh Lead
Tabel périodik
Symbol
Sm
Pb
Panggil Group
ora Sumadhiya
14
4
Panggil periode
6
6
Block
pemblokiran f
p pemblokiran
Family unsur
lanthanide
Transisi Post-
CAS Number
7440199
99+
7439921
99+
Jeneng papan Group
R_ 3M
Fm_ 3M
Space Group Number
166.00
6
225.00
2
facts
Facts Interesting
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
- 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
Lecoq de Boisbaudran
Unknown
Discovery
ing taun 1879
Ing Tengah Easterns (7000 SM)
turah mbrawah
Turah mbrawah Ing Universe
5 * 10-7 %
19
1 * 10-6 %
16
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.000001 %
18
Turah mbrawah Ing meteorit
0.00 %
37
0.00 %
23
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
29
0.00 %
26
Turah mbrawah Ing Segara
0.00 %
40
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 Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
NA
Surgical Instruments Manufacturing
Ulah liyane
wesi, Ing Reactors Nuclear
wesi
Properties biologi
keracunan
rada Toxic
Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.01 Sang / mg dm-3
22
0.21 Sang / mg dm-3
11
ing Bone
ora Sumadhiya
30.00 ppm
10
fisik Properties
leleh Point
1,072.00 ° C
99+
327.50 ° C
99+
Boiling Point
1,900.00 ° C
99+
1,740.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
lustrous
metallic
atose
Mohs atose
ora Sumadhiya
1.50
18
Brinell atose
441.00 MPa
27
38.00 MPa
99+
Vickers atose
412.00 MPa
24
ora Sumadhiya
Kacepetan swara
2,130.00 m / s
99+
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
Sm
Pb
isotop
Isotop dikenal
30
9
35
4
keelektronegatifan
Pauling Elektronegativitas
1.17
40
1.87
13
Sanderson Elektronegativitas
ora Sumadhiya
2.29
4
Allred Rochow Elektronegativitas
1.07
32
1.55
11
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.41
2
Allen Elektronegativitas
ora Sumadhiya
1.85
8
Electropositivity
Pauling Electropositivity
2.83
14
1.67
99+
tenogo ionisasi
Level Energy 1st
544.50 kJ / mol
99+
715.60 kJ / mol
31
Level Energy 2
1,070.00 kJ / mol
99+
1,450.50 kJ / mol
99+
Level Energy 3rd
2,260.00 kJ / mol
99+
3,081.50 kJ / mol
23
Level Energy 4
3,990.00 kJ / mol
37
4,083.00 kJ / mol
35
Level Energy 5th
ora Sumadhiya
6,640.00 kJ / mol
20
padha karo elektrokimia
1.87 g / amp-day
34
3.87 g / amp-day
9
Fungsi Work elektron
2.70 eV
99+
4.25 eV
21
Properties Kimia liyane
ionisasi, Isotop radioaktif
anti Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
62
99+
82
34
Konfigurasi elektron
[Xe] 4F 6 6s 2
[Xe] 4F 14 5d 10 6s 2 6p 2
Struktur Crystal
Rhombohedral (RHO)
Face tengah kubik (FCC)
Crystal pola
RHO-Crystal-Structure-of-Samarium.jpg#100
FCC-Crystal-Structure-of-Lead.jpg#100
atom
Jumlah proton
62
99+
82
34
Jumlah Neutron
88
39
125
19
Jumlah Èlèktron
62
99+
82
34
Radius saka Atom
Radius atom
180.00 pm
14
175.00 pm
19
kovalen Radius
198.00 pm
13
146.00 pm
38
Van der Waals Radius
229.00 pm
20
202.00 pm
27
Bobot atom
150.36 Amu
99+
207.20 Amu
30
Volume atom
19.95 cm3 / mol
19
18.17 cm3 / mol
27
Nomer atom jejer
Potensi Valence Electron
44.80 (-eV)
37
24.20 (-eV)
99+
Constant pola
362.10 pm
33
495.08 pm
16
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.52 g / cm 3
99+
11.34 g / cm 3
33
Kapadhetan Nalika Liquid (ing mp)
7.16 g / cm3
32
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
0.94 (Pa)
9
1.64 (Pa)
7
situs kelenturan
nyukur pengaturan
19.50 GPA
34
5.60 GPA
99+
pengaturan akeh
37.80 GPA
35
46.00 GPA
24
Young kang pengaturan
49.70 GPA
37
16.00 GPA
99+
Poisson rasio
0.27
19
0.44
3
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.52
99+
11.35
25
Nindakake Magnetic
paramagnetic
diamagnetic
Properties Listrik
Property Listrik
Arman
Arman miskin
resistivity
0.94 nΩ · m
99+
208.00 nΩ · m
16
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.05 10 6 / cm Ω
36
elektron Affinity
50.00 kJ / mol
21
35.10 kJ / mol
28
termal Properties
Kalor tartamtu
0.20 J / (kg K)
31
0.13 J / (kg K)
39
Graham Kapasitas kalor
29.54 J / mol · K
7
26.65 J / mol · K
26
doyo termal
13.30 W / m · K
99+
35.30 W / m · K
38
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
12.70 μm / (m · K)
30
28.90 μm / (m · K)
13
enthalpy
Enthalpy panguapan
166.40 kJ / mol
99+
179.40 kJ / mol
99+
Enthalpy saka Fusion
8.62 kJ / mol
40
4.77 kJ / mol
99+
Enthalpy saka atomization
209.00 kJ / mol
99+
194.60 kJ / mol
99+
Standard molar Entropy
69.60 J / mol.K
15
64.80 J / mol.K
17
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