technetium mungsuh polonium
Tabel périodik
Symbol
Tc
Po
Panggil Group
7
11
16
2
Panggil periode
5
6
Block
d block
p pemblokiran
Family unsur
transisi Metal
Transisi Post-
CAS Number
7440268
99+
7440086
99+
Jeneng papan Group
P63 / mmc
Pm-3M
Space Group Number
194.00
5
221.00
3
facts
Facts Interesting
- jeneng asli Technetium ana masurium.
- Ing wektu nemokaké iku ditemokaké ing sampel Molybdenum.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Digawe dening némbakaké Molybdenum karo deuterons
Mining, Ores logam
History
sing katutup
Emilio Segrè and Carlo Perriero
Pierre Curie and Marie Curie
Discovery
ing taun 1937
ing taun 1898
turah mbrawah
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.
- Polonium logam allotropes beda, kang digunakake ing piranti antistatic lan kanggo riset waé.
- A 1 gram saka Polonium bisa tekan suhu 500 ° C, Empu kang digunakake minangka sumber panas kanggo peralatan papan.
Ulah Industrial
NA
Industry Aerospace, Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Low Toxic
Highly 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
2,200.00 ° C
9
254.00 ° C
99+
Boiling Point
4,877.00 ° C
7
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Shiny Gray
Silver
luster
NA
NA
atose
Kacepetan swara
16,200.00 m / s
1
ora Sumadhiya
Properties Optical
allotropes
Ora
Ya
α allotropes
ora Sumadhiya
α-polonium
β allotropes
ora Sumadhiya
β-polonium
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Tc
Po
isotop
Isotop dikenal
18
21
29
10
keelektronegatifan
Pauling Elektronegativitas
1.90
11
2.00
7
Allred Rochow Elektronegativitas
1.36
20
1.76
2
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.48
1
Allen Elektronegativitas
1.51
28
2.19
2
Electropositivity
Pauling Electropositivity
2.10
99+
2.00
99+
tenogo ionisasi
Level Energy 1st
702.00 kJ / mol
36
812.10 kJ / mol
14
Level Energy 2
1,470.00 kJ / mol
99+
ora Sumadhiya
Level Energy 3rd
2,850.00 kJ / mol
33
ora Sumadhiya
padha karo elektrokimia
0.52 g / amp-day
99+
3.90 g / amp-day
8
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+
84
32
Konfigurasi elektron
[Kr] 4d 5 5S 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Pénguapan (Mon)
Crystal pola
HCP-Crystal-Structure-of-Technetium.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
atom
Jumlah proton
43
99+
84
32
Jumlah Neutron
55
99+
125
19
Jumlah Èlèktron
43
99+
84
32
Radius saka Atom
Radius atom
136.00 pm
99+
168.00 pm
23
kovalen Radius
147.00 pm
37
140.00 pm
99+
Van der Waals Radius
200.00 pm
28
197.00 pm
29
Bobot atom
98.00 Amu
99+
209.00 Amu
28
Volume atom
8.50 cm3 / mol
99+
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
180.00 (-eV)
3
ora Sumadhiya
Constant pola
273.50 pm
99+
335.90 pm
99+
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
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
9.40 g / cm3
19
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
11.50
24
9.32
31
Nindakake Magnetic
paramagnetic
nonmagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
200.00 nΩ · m
18
0.40 nΩ · m
99+
konduktivitas listrik
0.07 10 6 / cm Ω
30
0.02 10 6 / cm Ω
99+
elektron Affinity
53.00 kJ / mol
18
183.30 kJ / mol
3
termal Properties
Kalor tartamtu
0.21 J / (kg K)
29
0.12 J / (kg K)
40
Graham Kapasitas kalor
24.27 J / mol · K
99+
26.40 J / mol · K
28
doyo termal
50.60 W / m · K
30
20.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
7.10 μm / (m · K)
99+
23.50 μm / (m · K)
16
enthalpy
Enthalpy panguapan
660.00 kJ / mol
6
60.30 kJ / mol
99+
Enthalpy saka Fusion
23.01 kJ / mol
9
13.00 kJ / mol
26
Enthalpy saka atomization
649.00 kJ / mol
8
134.00 kJ / mol
99+
Standard molar Entropy
181.10 J / mol.K
2
ora Sumadhiya
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