technetium mungsuh Holmium
Tabel périodik
Symbol
Tc
Ho
Panggil Group
7
11
ora Sumadhiya
Panggil periode
5
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7440268
99+
7440600
29
Jeneng papan Group
P63 / mmc
P63 / mmc
Space Group Number
194.00
5
194.00
5
facts
Facts Interesting
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
- metal Holmium sanget alus lan malleable.
- metal Holmium uga dikenal kanggo resistivity sawijining karat.
sumber
Digawe dening némbakaké Molybdenum karo deuterons
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Emilio Segrè and Carlo Perriero
Marc Delafontaine
Discovery
ing taun 1937
ing taun 1878
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
5 * 10-8 %
27
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
99+
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
38
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
99+
ulah
Ulah lan Wuku
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
- metal Holmium duwe kemampuan kanggo nresep neutron, supaya logam iki digunakake ing reaktor nuklir kanggo njaga reaksi berantai saka unsur ing kontrol.
- Wesi saka Holmium digunakake kanggo gawé Magnet.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi, Nuclear Riset
Properties biologi
keracunan
Low Toxic
Low Toxic
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
1,461.00 ° C
30
Boiling Point
4,877.00 ° C
7
2,600.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Shiny Gray
perak Putih
luster
NA
metallic
atose
Brinell atose
ora Sumadhiya
746.00 MPa
13
Vickers atose
ora Sumadhiya
481.00 MPa
23
Kacepetan swara
16,200.00 m / s
1
2,760.00 m / s
30
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
Tc
Ho
isotop
Isotop dikenal
18
21
34
5
keelektronegatifan
Pauling Elektronegativitas
1.90
11
1.23
37
Allred Rochow Elektronegativitas
1.36
20
1.10
30
Allen Elektronegativitas
1.51
28
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.10
99+
2.77
17
tenogo ionisasi
Level Energy 1st
702.00 kJ / mol
36
581.00 kJ / mol
99+
Level Energy 2
1,470.00 kJ / mol
99+
1,140.00 kJ / mol
99+
Level Energy 3rd
2,850.00 kJ / mol
33
2,204.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
4,100.00 kJ / mol
34
padha karo elektrokimia
0.52 g / amp-day
99+
2.02 g / amp-day
29
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
43
99+
67
99+
Konfigurasi elektron
[Kr] 4d 5 5S 2
[Xe] 4F 11 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
HCP-Crystal-Structure-of-Technetium.jpg#100
HCP-Crystal-Structure-of-Holmium.jpg#100
atom
Jumlah proton
43
99+
67
99+
Jumlah Neutron
55
99+
98
34
Jumlah Èlèktron
43
99+
67
99+
Radius saka Atom
Radius atom
136.00 pm
99+
176.00 pm
18
kovalen Radius
147.00 pm
37
192.00 pm
17
Van der Waals Radius
200.00 pm
28
216.00 pm
24
Bobot atom
98.00 Amu
99+
164.93 Amu
99+
Volume atom
8.50 cm3 / mol
99+
18.70 cm3 / mol
24
Nomer atom jejer
Potensi Valence Electron
180.00 (-eV)
3
47.90 (-eV)
31
Constant pola
273.50 pm
99+
357.73 pm
38
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.60
5
1.57
17
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
11.00 g / cm 3
34
8.79 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
8.34 g / cm3
26
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
16
situs kelenturan
nyukur pengaturan
ora Sumadhiya
26.30 GPA
28
pengaturan akeh
ora Sumadhiya
40.20 GPA
32
Young kang pengaturan
ora Sumadhiya
64.80 GPA
31
Poisson rasio
ora Sumadhiya
0.23
29
Properties Teknik liyane
NA
ductile, malleable, Sectile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
11.50
24
8.80
35
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
200.00 nΩ · m
18
814.00 nΩ · m
4
konduktivitas listrik
0.07 10 6 / cm Ω
30
0.01 10 6 / cm Ω
99+
elektron Affinity
53.00 kJ / mol
18
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.21 J / (kg K)
29
0.16 J / (kg K)
35
Graham Kapasitas kalor
24.27 J / mol · K
99+
27.15 J / mol · K
19
doyo termal
50.60 W / m · K
30
16.20 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
7.10 μm / (m · K)
99+
11.20 μm / (m · K)
35
enthalpy
Enthalpy panguapan
660.00 kJ / mol
6
241.00 kJ / mol
38
Enthalpy saka Fusion
23.01 kJ / mol
9
11.76 kJ / mol
29
Enthalpy saka atomization
649.00 kJ / mol
8
301.00 kJ / mol
36
Standard molar Entropy
181.10 J / mol.K
2
75.30 J / mol.K
8
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