mbandhingaké Radium lan Lead
Tabel périodik
Symbol
Ra
Pb
Panggil Group
2
16
14
4
Panggil periode
7
6
Block
s pemblokiran
p pemblokiran
Family unsur
alkalin bumi
Transisi Post-
CAS Number
7440144
99+
7439921
99+
Jeneng papan Group
3M Im_
Fm_ 3M
Space Group Number
229.00
1
225.00
2
facts
Facts Interesting
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
- 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
Mining, Ores logam
bumi lemah ndhuwur, Found in Minerals, Mining, Ores logam, Ores saka Minerals
History
sing katutup
Not Available
Unknown
Discovery
ing taun 1898
Ing Tengah Easterns (7000 SM)
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
1 * 10-6 %
16
Turah mbrawah Ing Sun
~-9999 %
~0.000001 %
18
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
23
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
26
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
22
Turah mbrawah Ing Manungsa
0.00 %
20
0.00 %
8
ulah
Ulah lan Wuku
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
- 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
NA
Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
Industry Pharmaceutical
Surgical Instruments Manufacturing
Ulah liyane
NA
wesi
Properties biologi
keracunan
Highly Toxic
Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.21 Sang / mg dm-3
11
ing Bone
ora Sumadhiya
30.00 ppm
10
fisik Properties
leleh Point
700.00 ° C
99+
327.50 ° C
99+
Boiling Point
1,737.00 ° C
99+
1,740.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Gray
luster
metallic
metallic
atose
Mohs atose
ora Sumadhiya
1.50
18
Brinell atose
ora Sumadhiya
38.00 MPa
99+
Kacepetan swara
ora Sumadhiya
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
Ra
Pb
isotop
Isotop dikenal
33
6
35
4
keelektronegatifan
Pauling Elektronegativitas
0.90
99+
1.87
13
Sanderson Elektronegativitas
ora Sumadhiya
2.29
4
Allred Rochow Elektronegativitas
0.97
38
1.55
11
Mulliken-Jaffe Elektronegativitas
0.92
20
2.41
2
Allen Elektronegativitas
0.89
99+
1.85
8
Electropositivity
Pauling Electropositivity
3.10
5
1.67
99+
tenogo ionisasi
Level Energy 1st
509.30 kJ / mol
99+
715.60 kJ / mol
31
Level Energy 2
979.00 kJ / mol
99+
1,450.50 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
3,081.50 kJ / mol
23
Level Energy 4
ora Sumadhiya
4,083.00 kJ / mol
35
Level Energy 5th
ora Sumadhiya
6,640.00 kJ / mol
20
padha karo elektrokimia
4.22 g / amp-day
6
3.87 g / amp-day
9
Fungsi Work elektron
ora Sumadhiya
4.25 eV
21
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
anti Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
88
30
82
34
Konfigurasi elektron
[Rn] 7s 2
[Xe] 4F 14 5d 10 6s 2 6p 2
Struktur Crystal
Body tengah kubik (Bcc)
Face tengah kubik (FCC)
Crystal pola
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Lead.jpg#100
atom
Jumlah proton
88
30
82
34
Jumlah Neutron
138
16
125
19
Jumlah Èlèktron
88
30
82
34
Radius saka Atom
Radius atom
ora Sumadhiya
175.00 pm
19
kovalen Radius
221.00 pm
3
146.00 pm
38
Van der Waals Radius
283.00 pm
4
202.00 pm
27
Bobot atom
226.00 Amu
26
207.20 Amu
30
Volume atom
45.20 cm3 / mol
4
18.17 cm3 / mol
27
Nomer atom jejer
Potensi Valence Electron
20.10 (-eV)
99+
24.20 (-eV)
99+
Constant pola
514.80 pm
13
495.08 pm
16
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
5.50 g / cm 3
99+
11.34 g / cm 3
33
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
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
situs kelenturan
nyukur pengaturan
ora Sumadhiya
5.60 GPA
99+
pengaturan akeh
ora Sumadhiya
46.00 GPA
24
Young kang pengaturan
ora Sumadhiya
16.00 GPA
99+
Poisson rasio
ora Sumadhiya
0.44
3
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
5.00
99+
11.35
25
Nindakake Magnetic
nonmagnetic
diamagnetic
Properties Listrik
Property Listrik
NA
Arman miskin
resistivity
100.00 nΩ · m
31
208.00 nΩ · m
16
konduktivitas listrik
ora Sumadhiya
0.05 10 6 / cm Ω
36
elektron Affinity
ora Sumadhiya
35.10 kJ / mol
28
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.13 J / (kg K)
39
Graham Kapasitas kalor
ora Sumadhiya
26.65 J / mol · K
26
doyo termal
18.60 W / m · K
99+
35.30 W / m · K
38
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
28.90 μm / (m · K)
13
enthalpy
Enthalpy panguapan
ora Sumadhiya
179.40 kJ / mol
99+
Enthalpy saka Fusion
ora Sumadhiya
4.77 kJ / mol
99+
Enthalpy saka atomization
163.00 kJ / mol
99+
194.60 kJ / mol
99+
Standard molar Entropy
71.00 J / mol.K
14
64.80 J / mol.K
17
|
||
|
||
|
