technetium mungsuh prometium
Tabel périodik
Symbol
Tc
Pm
Panggil Group
7
11
ora Sumadhiya
Panggil periode
5
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7440268
99+
7440122
99+
Jeneng papan Group
P63 / mmc
ora Sumadhiya
Space Group Number
194.00
5
ora Sumadhiya
facts
Facts Interesting
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
- metal Prometium ditemokaké ing pitchblende.
- Prometium logam logam Highly radioaktif.
sumber
Digawe dening némbakaké Molybdenum karo deuterons
Found in Minerals, Mining
History
sing katutup
Emilio Segrè and Carlo Perriero
Chien Shiung Wu, Emilio Segrè, Hans Bethe
Discovery
ing taun 1937
ing taun 1942
turah mbrawah
ulah
Ulah lan Wuku
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
- Kang digunakake kanggo riset waé. jumlah cilik saka logam digunakake ing batre atom.
- bosok radioaktif sawijining digunakake kanggo Phosphor kanggo menehi mati lampu. Lampu cemlorot diowahi dadi listrik.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
NA
Properties biologi
keracunan
Low Toxic
non Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
37
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
2,200.00 ° C
9
1,042.00 ° C
99+
Boiling Point
4,877.00 ° C
7
3,000.00 ° C
31
katon
State fisik
Solid
Solid
warna
Shiny Gray
Unknown
luster
NA
metallic
atose
Kacepetan swara
16,200.00 m / s
1
ora Sumadhiya
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
Pm
isotop
Isotop dikenal
18
21
27
12
keelektronegatifan
Pauling Elektronegativitas
1.90
11
ora Sumadhiya
Allred Rochow Elektronegativitas
1.36
20
1.07
32
Allen Elektronegativitas
1.51
28
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.10
99+
ora Sumadhiya
tenogo ionisasi
Level Energy 1st
702.00 kJ / mol
36
540.00 kJ / mol
99+
Level Energy 2
1,470.00 kJ / mol
99+
1,050.00 kJ / mol
99+
Level Energy 3rd
2,850.00 kJ / mol
33
2,150.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,970.00 kJ / mol
38
padha karo elektrokimia
0.52 g / amp-day
99+
1.80 g / amp-day
36
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
43
99+
61
99+
Konfigurasi elektron
[Kr] 4d 5 5S 2
[Xe] 4F 5 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Double Hexagonal Tutup dikempalken (DHCP)
Crystal pola
HCP-Crystal-Structure-of-Technetium.jpg#100
DHCP-Crystal-Structure-of-Promethium.jpg#100
atom
Jumlah proton
43
99+
61
99+
Jumlah Neutron
55
99+
84
40
Jumlah Èlèktron
43
99+
61
99+
Radius saka Atom
Radius atom
136.00 pm
99+
183.00 pm
10
kovalen Radius
147.00 pm
37
199.00 pm
12
Van der Waals Radius
200.00 pm
28
236.00 pm
16
Bobot atom
98.00 Amu
99+
145.00 Amu
99+
Volume atom
8.50 cm3 / mol
99+
22.39 cm3 / mol
12
Nomer atom jejer
Potensi Valence Electron
180.00 (-eV)
3
44.10 (-eV)
39
Constant pola
273.50 pm
99+
ora Sumadhiya
pola Angles
π/2, π/2, 2 π/3
Unknown
Pola C / A rasio
1.60
5
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
11.00 g / cm 3
34
7.26 g / cm 3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
nyukur pengaturan
ora Sumadhiya
18.00 GPA
36
pengaturan akeh
ora Sumadhiya
33.00 GPA
36
Young kang pengaturan
ora Sumadhiya
46.00 GPA
38
Poisson rasio
ora Sumadhiya
0.28
17
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
11.50
24
7.26
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
200.00 nΩ · m
18
0.75 nΩ · m
99+
konduktivitas listrik
0.07 10 6 / cm Ω
30
ora Sumadhiya
elektron Affinity
53.00 kJ / mol
18
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.21 J / (kg K)
29
0.18 J / (kg K)
33
Graham Kapasitas kalor
24.27 J / mol · K
99+
ora Sumadhiya
doyo termal
50.60 W / m · K
30
17.90 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
7.10 μm / (m · K)
99+
9.00 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
660.00 kJ / mol
6
ora Sumadhiya
Enthalpy saka Fusion
23.01 kJ / mol
9
7.50 kJ / mol
99+
Enthalpy saka atomization
649.00 kJ / mol
8
310.00 kJ / mol
34
Standard molar Entropy
181.10 J / mol.K
2
ora Sumadhiya
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