technetium mungsuh rhodium
Tabel périodik
Symbol
Tc
Rh
Panggil Group
7
11
9
9
Panggil periode
5
5
Block
d block
d block
Family unsur
transisi Metal
transisi Metal
CAS Number
7440268
99+
7440166
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
- Rhodium punika unsur paling langka metu kabeh logam non-radioaktif ing bumi.
- Rhodium punika salah siji sing paling awet lan hard logam, kang uga duwe reflectance dhuwur.
sumber
Digawe dening némbakaké Molybdenum karo deuterons
bumi lemah ndhuwur, Found Minangka By-produk, Found in Minerals, Mining
History
sing katutup
Emilio Segrè and Carlo Perriero
William Hyde Wollaston
Discovery
ing taun 1937
ing taun 1804
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
6 * 10-8 %
26
Turah mbrawah Ing Sun
~-9999 %
~0.0000002 %
25
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
36
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
Character length exceed error
Ulah Industrial
NA
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Low Toxic
NA
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
ora Sumadhiya
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
2,200.00 ° C
9
1,966.00 ° C
12
Boiling Point
4,877.00 ° C
7
3,727.00 ° C
17
katon
State fisik
Solid
Solid
warna
Shiny Gray
perak Putih
luster
NA
metallic
atose
Mohs atose
ora Sumadhiya
6.00
6
Brinell atose
ora Sumadhiya
980.00 MPa
9
Vickers atose
ora Sumadhiya
1,100.00 MPa
9
Kacepetan swara
16,200.00 m / s
1
4,700.00 m / s
15
Properties Optical
reflectivity
ora Sumadhiya
84.00 %
4
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
Tc
Rh
isotop
Isotop dikenal
18
21
16
23
keelektronegatifan
Pauling Elektronegativitas
1.90
11
2.28
3
Allred Rochow Elektronegativitas
1.36
20
1.45
16
Allen Elektronegativitas
1.51
28
1.56
24
Electropositivity
Pauling Electropositivity
2.10
99+
1.72
99+
tenogo ionisasi
Level Energy 1st
702.00 kJ / mol
36
719.70 kJ / mol
29
Level Energy 2
1,470.00 kJ / mol
99+
1,740.00 kJ / mol
26
Level Energy 3rd
2,850.00 kJ / mol
33
2,997.00 kJ / mol
27
padha karo elektrokimia
0.52 g / amp-day
99+
1.28 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
4.98 eV
6
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
anti Corrosion, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
43
99+
45
99+
Konfigurasi elektron
[Kr] 4d 5 5S 2
[Kr] 4d 8 5S 1
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
HCP-Crystal-Structure-of-Technetium.jpg#100
FCC-Crystal-Structure-of-Rhodium.jpg#100
atom
Jumlah proton
43
99+
45
99+
Jumlah Neutron
55
99+
58
99+
Jumlah Èlèktron
43
99+
45
99+
Radius saka Atom
Radius atom
136.00 pm
99+
134.00 pm
99+
kovalen Radius
147.00 pm
37
142.00 pm
99+
Van der Waals Radius
200.00 pm
28
200.00 pm
28
Bobot atom
98.00 Amu
99+
102.91 Amu
99+
Volume atom
8.50 cm3 / mol
99+
8.30 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
180.00 (-eV)
3
64.00 (-eV)
22
Constant pola
273.50 pm
99+
380.34 pm
27
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.60
5
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
11.00 g / cm 3
34
12.41 g / cm 3
28
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
10.70 g / cm3
14
Strength tensile
ora Sumadhiya
951.00 MPa
5
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.02 (Pa)
19
situs kelenturan
nyukur pengaturan
ora Sumadhiya
150.00 GPA
6
pengaturan akeh
ora Sumadhiya
275.00 GPA
5
Young kang pengaturan
ora Sumadhiya
380.00 GPA
5
Poisson rasio
ora Sumadhiya
0.26
22
Properties Teknik liyane
NA
malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
11.50
24
12.41
20
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
200.00 nΩ · m
18
43.30 nΩ · m
99+
konduktivitas listrik
0.07 10 6 / cm Ω
30
0.21 10 6 / cm Ω
8
elektron Affinity
53.00 kJ / mol
18
109.70 kJ / mol
7
termal Properties
Kalor tartamtu
0.21 J / (kg K)
29
0.24 J / (kg K)
22
Graham Kapasitas kalor
24.27 J / mol · K
99+
24.98 J / mol · K
99+
doyo termal
50.60 W / m · K
30
150.00 W / m · K
9
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
7.10 μm / (m · K)
99+
8.20 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
660.00 kJ / mol
6
495.40 kJ / mol
12
Enthalpy saka Fusion
23.01 kJ / mol
9
21.76 kJ / mol
10
Enthalpy saka atomization
649.00 kJ / mol
8
556.50 kJ / mol
12
Standard molar Entropy
181.10 J / mol.K
2
31.50 J / mol.K
99+
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