Radium mungsuh tungsten
Tabel périodik
Symbol
Ra
W
Panggil Group
2
16
6
12
Panggil periode
7
6
Block
s pemblokiran
d block
Family unsur
alkalin bumi
transisi Metal
CAS Number
7440144
99+
7440337
99+
Jeneng papan Group
3M Im_
3M Im_
Space Group Number
229.00
1
229.00
1
facts
Facts Interesting
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
- unsur Tungsten nduweni titik leleh paling dhuwur.
- tungsten Pure bisa gampang Cut mudhun karo bantuan saka hacksaw.
sumber
Mining, Ores logam
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Not Available
Not Available
Discovery
ing taun 1898
ing taun 1781
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
5 * 10-8 %
27
Turah mbrawah Ing Sun
~-9999 %
~0.0000004 %
23
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
39
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
39
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
18
Turah mbrawah Ing Manungsa
0.00 %
20
ora Sumadhiya
ulah
Ulah lan Wuku
- Punika logam Highly radioaktif; lan arang-arang Radium-223 digunakake kanggo nambani kanker prostat.
- Kang digunakake ing cat cetha.
- Tungsten lan wesi digunakake ing dhuwur-suhu aplikasi kaya elektrods welding, pawon-suhu dhuwur, etc.
- Tungsten carbide banget hard lan digunakake ing apa logam, mining lan gas.
Ulah Industrial
NA
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
Industry Pharmaceutical
NA
Ulah liyane
NA
wesi
Properties biologi
keracunan
Highly Toxic
non Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
31
ing Bone
ora Sumadhiya
0.00 ppm
35
fisik Properties
leleh Point
700.00 ° C
99+
3,410.00 ° C
1
Boiling Point
1,737.00 ° C
99+
5,660.00 ° C
1
katon
State fisik
Solid
Solid
warna
perak Putih
klawu putih
luster
metallic
lustrous
atose
Mohs atose
ora Sumadhiya
7.50
2
Brinell atose
ora Sumadhiya
2,000.00 MPa
4
Vickers atose
ora Sumadhiya
3,430.00 MPa
1
Kacepetan swara
ora Sumadhiya
4,620.00 m / s
16
Properties Optical
reflectivity
ora Sumadhiya
62.00 %
13
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
W
isotop
Isotop dikenal
33
6
33
6
keelektronegatifan
Pauling Elektronegativitas
0.90
99+
2.36
2
Sanderson Elektronegativitas
ora Sumadhiya
0.98
23
Allred Rochow Elektronegativitas
0.97
38
1.40
19
Mulliken-Jaffe Elektronegativitas
0.92
20
ora Sumadhiya
Allen Elektronegativitas
0.89
99+
1.47
29
Electropositivity
Pauling Electropositivity
3.10
5
1.64
99+
tenogo ionisasi
Level Energy 1st
509.30 kJ / mol
99+
770.00 kJ / mol
16
Level Energy 2
979.00 kJ / mol
99+
1,700.00 kJ / mol
29
padha karo elektrokimia
4.22 g / amp-day
6
1.14 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
4.55 eV
13
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
88
30
74
99+
Konfigurasi elektron
[Rn] 7s 2
[Xe] 4F 14 5d 4 6s 2
Struktur Crystal
Body tengah kubik (Bcc)
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
88
30
74
99+
Jumlah Neutron
138
16
110
27
Jumlah Èlèktron
88
30
74
99+
Radius saka Atom
Radius atom
ora Sumadhiya
139.00 pm
39
kovalen Radius
221.00 pm
3
162.00 pm
29
Van der Waals Radius
283.00 pm
4
200.00 pm
28
Bobot atom
226.00 Amu
26
183.84 Amu
37
Volume atom
45.20 cm3 / mol
4
9.53 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
20.10 (-eV)
99+
140.00 (-eV)
5
Constant pola
514.80 pm
13
316.52 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
5.50 g / cm 3
99+
19.25 g / cm 3
16
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
17.60 g / cm3
5
Strength tensile
ora Sumadhiya
370.00 MPa
10
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.00 (Pa)
32
situs kelenturan
nyukur pengaturan
ora Sumadhiya
161.00 GPA
5
pengaturan akeh
ora Sumadhiya
310.00 GPA
4
Young kang pengaturan
ora Sumadhiya
411.00 GPA
4
Poisson rasio
ora Sumadhiya
0.28
17
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
5.00
99+
19.22
9
Nindakake Magnetic
nonmagnetic
paramagnetic
Properties Listrik
Property Listrik
NA
superconductor
resistivity
100.00 nΩ · m
31
52.80 nΩ · m
99+
konduktivitas listrik
ora Sumadhiya
0.19 10 6 / cm Ω
10
elektron Affinity
ora Sumadhiya
78.60 kJ / mol
13
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.13 J / (kg K)
39
Graham Kapasitas kalor
ora Sumadhiya
24.27 J / mol · K
99+
doyo termal
18.60 W / m · K
99+
173.00 W / m · K
7
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
4.50 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
ora Sumadhiya
799.10 kJ / mol
1
Enthalpy saka Fusion
ora Sumadhiya
35.23 kJ / mol
1
Enthalpy saka atomization
163.00 kJ / mol
99+
837.00 kJ / mol
1
Standard molar Entropy
71.00 J / mol.K
14
32.60 J / mol.K
99+
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