Lawrencium mungsuh technetium
Tabel périodik
Symbol
Lr
Tc
Panggil Group
ora Sumadhiya
7
11
Panggil periode
7
5
Block
d block
d block
Family unsur
actinide
transisi Metal
CAS Number
22537195
15
7440268
99+
Jeneng papan Group
ora Sumadhiya
P63 / mmc
Space Group Number
ora Sumadhiya
194.00
5
facts
Facts Interesting
- Punika sacara sintesis diprodhuksi logam.
- resiko radiation bisa gawé dening iku.
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
sumber
Némbakaké californium-252 karo Boron inti, Found in Minerals, Mining
Digawe dening némbakaké Molybdenum karo deuterons
History
sing katutup
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
Emilio Segrè and Carlo Perriero
Discovery
ing 1961-1971
ing taun 1937
turah mbrawah
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Lawrencium sing winates kanggo riset waé mung.
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
NA
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Unknown
Low 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
0.00 ppm
36
fisik Properties
leleh Point
1,627.00 ° C
20
2,200.00 ° C
9
Boiling Point
ora Sumadhiya
4,877.00 ° C
7
katon
State fisik
Solid
Solid
warna
Silver
Shiny Gray
luster
Unknown Luster
NA
atose
Kacepetan swara
ora Sumadhiya
16,200.00 m / s
1
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
Lr
Tc
isotop
Isotop dikenal
10
28
18
21
keelektronegatifan
Pauling Elektronegativitas
ora Sumadhiya
1.90
11
Allred Rochow Elektronegativitas
ora Sumadhiya
1.36
20
Allen Elektronegativitas
ora Sumadhiya
1.51
28
Electropositivity
Pauling Electropositivity
ora Sumadhiya
2.10
99+
tenogo ionisasi
Level Energy 1st
470.00 kJ / mol
99+
702.00 kJ / mol
36
Level Energy 2
1,428.00 kJ / mol
99+
1,470.00 kJ / mol
99+
Level Energy 3rd
2,228.00 kJ / mol
99+
2,850.00 kJ / mol
33
Level Energy 4
4,910.00 kJ / mol
21
ora Sumadhiya
padha karo elektrokimia
3.23 g / amp-day
11
0.52 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
103
15
43
99+
Konfigurasi elektron
[Rn] 5F 14 7s 2 7p 1
[Kr] 4d 5 5S 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
HCP-Crystal-Structure-of-Technetium.jpg#100
atom
Jumlah proton
103
15
43
99+
Jumlah Neutron
157
7
55
99+
Jumlah Èlèktron
103
15
43
99+
Radius saka Atom
Radius atom
ora Sumadhiya
136.00 pm
99+
kovalen Radius
ora Sumadhiya
147.00 pm
37
Van der Waals Radius
246.00 pm
8
200.00 pm
28
Bobot atom
266.00 Amu
12
98.00 Amu
99+
Volume atom
ora Sumadhiya
8.50 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
180.00 (-eV)
3
Constant pola
ora Sumadhiya
273.50 pm
99+
pola Angles
NA
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.60
5
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
ora Sumadhiya
11.00 g / cm 3
34
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
0.32
12
ora Sumadhiya
Properties Teknik liyane
Unknown
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
11.50
24
Nindakake Magnetic
Unknown
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
ora Sumadhiya
200.00 nΩ · m
18
konduktivitas listrik
ora Sumadhiya
0.07 10 6 / cm Ω
30
elektron Affinity
ora Sumadhiya
53.00 kJ / mol
18
termal Properties
Kalor tartamtu
ora Sumadhiya
0.21 J / (kg K)
29
Graham Kapasitas kalor
ora Sumadhiya
24.27 J / mol · K
99+
doyo termal
ora Sumadhiya
50.60 W / m · K
30
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
7.10 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
ora Sumadhiya
660.00 kJ / mol
6
Enthalpy saka Fusion
ora Sumadhiya
23.01 kJ / mol
9
Enthalpy saka atomization
ora Sumadhiya
649.00 kJ / mol
8
Standard molar Entropy
ora Sumadhiya
181.10 J / mol.K
2
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