mbandhingaké Lead lan krom
Tabel périodik
Symbol
Pb
Cr
Panggil Group
14
4
6
12
Panggil periode
6
4
Block
p pemblokiran
d block
Family unsur
Transisi Post-
transisi Metal
CAS Number
7439921
99+
7440473
39
Jeneng papan Group
Fm_ 3M
3M Im_
Space Group Number
225.00
2
229.00
1
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.
- Krom punika reaktif, Empu durung ketemu gratis ing alam.
- Ores saka Chromites Mineral sing sumber utama saka logam Krom.
- Meh 90% penyamakan kulit wis rampung karo bantuan saka krom.
sumber
bumi lemah ndhuwur, Found in Minerals, Mining, Ores logam, Ores saka Minerals
Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Unknown
Louis Nicolas Vauquelin
Discovery
Ing Tengah Easterns (7000 SM)
Ing Antarane 1797 - 1798
turah mbrawah
Turah mbrawah Ing Universe
1 * 10-6 %
16
1.5 * 10-3 %
7
Turah mbrawah Ing Sun
~0.000001 %
18
~0.002 %
7
Turah mbrawah Ing meteorit
0.00 %
23
0.30 %
7
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
26
0.01 %
13
Turah mbrawah Ing Segara
0.00 %
22
0.00 %
16
Turah mbrawah Ing Manungsa
0.00 %
8
0.00 %
16
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 automobile, Industri Kimia
Ulah Medical
Surgical Instruments Manufacturing
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ya
Sang
0.21 Sang / mg dm-3
11
0.11 Sang / mg dm-3
12
ing Bone
30.00 ppm
10
0.33 ppm
21
fisik Properties
leleh Point
327.50 ° C
99+
1,857.00 ° C
14
Boiling Point
1,740.00 ° C
99+
2,672.00 ° C
39
katon
State fisik
Solid
Solid
warna
Gray
Silver
luster
metallic
metallic
atose
Mohs atose
1.50
18
8.50
1
Brinell atose
38.00 MPa
99+
687.00 MPa
16
Vickers atose
ora Sumadhiya
1,060.00 MPa
10
Kacepetan swara
1,190.00 m / s
99+
5,940.00 m / s
5
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
Cr
isotop
Isotop dikenal
35
4
21
18
keelektronegatifan
Pauling Elektronegativitas
1.87
13
1.66
18
Sanderson Elektronegativitas
2.29
4
1.66
14
Allred Rochow Elektronegativitas
1.55
11
1.56
10
Mulliken-Jaffe Elektronegativitas
2.41
2
ora Sumadhiya
Allen Elektronegativitas
1.85
8
1.65
19
Electropositivity
Pauling Electropositivity
1.67
99+
2.34
36
tenogo ionisasi
Level Energy 1st
715.60 kJ / mol
31
26,130.00 kJ / mol
1
Level Energy 2
1,450.50 kJ / mol
99+
28,750.00 kJ / mol
1
Level Energy 3rd
3,081.50 kJ / mol
23
34,230.00 kJ / mol
1
Level Energy 4
4,083.00 kJ / mol
35
37,066.00 kJ / mol
1
Level Energy 5th
6,640.00 kJ / mol
20
97,510.00 kJ / mol
1
Level Energy 6th
ora Sumadhiya
105,800.00 kJ / mol
1
tingkat Energy 7
ora Sumadhiya
114,300.00 kJ / mol
1
Level Energy 8
ora Sumadhiya
125,300.00 kJ / mol
1
Level Energy 9
ora Sumadhiya
134,700.00 kJ / mol
1
Level Energy 10th
ora Sumadhiya
144,300.00 kJ / mol
1
Level Energy 11
ora Sumadhiya
26,130.00 kJ / mol
12
Level Energy 12
ora Sumadhiya
28,750.00 kJ / mol
13
Level Energy 13
ora Sumadhiya
34,230.00 kJ / mol
10
Level Energy 14
ora Sumadhiya
37,066.00 kJ / mol
12
Level Energy 15
ora Sumadhiya
97,510.00 kJ / mol
1
Level Energy 16
ora Sumadhiya
105,800.00 kJ / mol
2
Level Energy 17
ora Sumadhiya
114,300.00 kJ / mol
3
Level Energy 18
ora Sumadhiya
125,300.00 kJ / mol
4
Level Energy 19
ora Sumadhiya
134,700.00 kJ / mol
5
Level Energy 20
ora Sumadhiya
144,300.00 kJ / mol
7
Level Energy 21
ora Sumadhiya
157,700.00 kJ / mol
7
Level Energy 22
ora Sumadhiya
166,090.00 kJ / mol
6
padha karo elektrokimia
3.87 g / amp-day
9
0.32 g / amp-day
99+
Fungsi Work elektron
4.25 eV
21
4.50 eV
14
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif
anti Corrosion, Kimia Stabilitas, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
82
34
24
99+
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 2
[Ar] 3d 5 4s 1
Struktur Crystal
Face tengah kubik (FCC)
Body tengah kubik (Bcc)
Crystal pola
FCC-Crystal-Structure-of-Lead.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
82
34
24
99+
Jumlah Neutron
125
19
28
99+
Jumlah Èlèktron
82
34
24
99+
Radius saka Atom
Radius atom
175.00 pm
19
128.00 pm
99+
kovalen Radius
146.00 pm
38
139.00 pm
99+
Van der Waals Radius
202.00 pm
27
200.00 pm
28
Bobot atom
207.20 Amu
30
52.00 Amu
99+
Volume atom
18.17 cm3 / mol
27
7.23 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
24.20 (-eV)
99+
170.00 (-eV)
4
Constant pola
495.08 pm
16
291.00 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
11.34 g / cm 3
33
7.19 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
10.66 g / cm3
15
6.30 g / cm3
40
Strength tensile
12.00 MPa
20
689.00 MPa
7
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
1.64 (Pa)
7
0.00 (Pa)
24
Meksa beluk ing 2000 K
ora Sumadhiya
774.00 (Pa)
1
situs kelenturan
nyukur pengaturan
5.60 GPA
99+
115.00 GPA
9
pengaturan akeh
46.00 GPA
24
160.00 GPA
11
Young kang pengaturan
16.00 GPA
99+
279.00 GPA
8
Poisson rasio
0.44
3
0.21
32
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
11.35
25
7.19
99+
Nindakake Magnetic
diamagnetic
Antiferromagnetic
Properties Listrik
Property Listrik
Arman miskin
NA
resistivity
208.00 nΩ · m
16
125.00 nΩ · m
27
konduktivitas listrik
0.05 10 6 / cm Ω
36
0.08 10 6 / cm Ω
25
elektron Affinity
35.10 kJ / mol
28
64.30 kJ / mol
15
termal Properties
Kalor tartamtu
0.13 J / (kg K)
39
0.45 J / (kg K)
12
Graham Kapasitas kalor
26.65 J / mol · K
26
23.35 J / mol · K
99+
doyo termal
35.30 W / m · K
38
93.90 W / m · K
17
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
28.90 μm / (m · K)
13
4.90 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
179.40 kJ / mol
99+
348.80 kJ / mol
24
Enthalpy saka Fusion
4.77 kJ / mol
99+
15.31 kJ / mol
20
Enthalpy saka atomization
194.60 kJ / mol
99+
397.50 kJ / mol
21
Standard molar Entropy
64.80 J / mol.K
17
23.80 J / mol.K
99+
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