Radium mungsuh technetium
Tabel périodik
Symbol
Ra
Tc
Panggil Group
2
16
7
11
Panggil periode
7
5
Block
s pemblokiran
d block
Family unsur
alkalin bumi
transisi Metal
CAS Number
7440144
99+
7440268
99+
Jeneng papan Group
3M Im_
P63 / mmc
Space Group Number
229.00
1
194.00
5
facts
Facts Interesting
- metal Radium punika logam abot saka Alkaline logam bumi asli.
- Radium logam punika Highly radioaktif lan ora duwe tengen mangiwa.
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
sumber
Mining, Ores logam
Digawe dening némbakaké Molybdenum karo deuterons
History
sing katutup
Not Available
Emilio Segrè and Carlo Perriero
Discovery
ing taun 1898
ing taun 1937
turah mbrawah
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
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.
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
Ulah Industrial
NA
NA
Ulah Medical
Industry Pharmaceutical
NA
Ulah liyane
NA
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Highly Toxic
Low Toxic
Saiki ing badan Human
Ora
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
ora Sumadhiya
0.00 ppm
36
fisik Properties
leleh Point
700.00 ° C
99+
2,200.00 ° C
9
Boiling Point
1,737.00 ° C
99+
4,877.00 ° C
7
katon
State fisik
Solid
Solid
warna
perak Putih
Shiny Gray
luster
metallic
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
Ra
Tc
isotop
Isotop dikenal
33
6
18
21
keelektronegatifan
Pauling Elektronegativitas
0.90
99+
1.90
11
Allred Rochow Elektronegativitas
0.97
38
1.36
20
Mulliken-Jaffe Elektronegativitas
0.92
20
ora Sumadhiya
Allen Elektronegativitas
0.89
99+
1.51
28
Electropositivity
Pauling Electropositivity
3.10
5
2.10
99+
tenogo ionisasi
Level Energy 1st
509.30 kJ / mol
99+
702.00 kJ / mol
36
Level Energy 2
979.00 kJ / mol
99+
1,470.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,850.00 kJ / mol
33
padha karo elektrokimia
4.22 g / amp-day
6
0.52 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
88
30
43
99+
Konfigurasi elektron
[Rn] 7s 2
[Kr] 4d 5 5S 2
Struktur Crystal
Body tengah kubik (Bcc)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
BCC-Crystal-Structure-.jpg#100
HCP-Crystal-Structure-of-Technetium.jpg#100
atom
Jumlah proton
88
30
43
99+
Jumlah Neutron
138
16
55
99+
Jumlah Èlèktron
88
30
43
99+
Radius saka Atom
Radius atom
ora Sumadhiya
136.00 pm
99+
kovalen Radius
221.00 pm
3
147.00 pm
37
Van der Waals Radius
283.00 pm
4
200.00 pm
28
Bobot atom
226.00 Amu
26
98.00 Amu
99+
Volume atom
45.20 cm3 / mol
4
8.50 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
20.10 (-eV)
99+
180.00 (-eV)
3
Constant pola
514.80 pm
13
273.50 pm
99+
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.60
5
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
5.50 g / cm 3
99+
11.00 g / cm 3
34
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
5.00
99+
11.50
24
Nindakake Magnetic
nonmagnetic
paramagnetic
Properties Listrik
Property Listrik
NA
Arman
resistivity
100.00 nΩ · m
31
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
0.12 J / (kg K)
40
0.21 J / (kg K)
29
Graham Kapasitas kalor
ora Sumadhiya
24.27 J / mol · K
99+
doyo termal
18.60 W / m · K
99+
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
163.00 kJ / mol
99+
649.00 kJ / mol
8
Standard molar Entropy
71.00 J / mol.K
14
181.10 J / mol.K
2
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