technetium mungsuh americium
Tabel périodik
Symbol
Tc
Am
Panggil Group
7
11
ora Sumadhiya
Panggil periode
5
7
Block
d block
pemblokiran f
Family unsur
transisi Metal
actinide
CAS Number
7440268
99+
7440359
99+
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 Americium diprodhuksi dening némbakaké Plutonium karo Neutron.
- metal Americium ditemokaké minangka dening-produk nalika Testing bom atom (Manhattan Project).
sumber
Digawe dening némbakaké Molybdenum karo deuterons
Dijupuk dening bombarding plutonium karo Neutron
History
sing katutup
Emilio Segrè and Carlo Perriero
Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso
Discovery
ing taun 1937
ing 1944
turah mbrawah
ulah
Ulah lan Wuku
- Technetium punika logam radioaktif lan Empu iku digunakake kanggo pasinaon medical lan risèt liyane.
- metal Americium digunakake ing weker deteksi kumelun.
- Ing mangsa, logam gadhah potensi digunakake ing batre spacecrafts.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Nuclear Riset, tujuan Research
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Low Toxic
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
994.00 ° C
99+
Boiling Point
4,877.00 ° C
7
2,607.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Shiny Gray
perak Putih
luster
NA
NA
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
Am
isotop
Isotop dikenal
18
21
16
23
keelektronegatifan
Pauling Elektronegativitas
1.90
11
1.30
32
Allred Rochow Elektronegativitas
1.36
20
1.20
27
Allen Elektronegativitas
1.51
28
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.10
99+
2.70
22
tenogo ionisasi
Level Energy 1st
702.00 kJ / mol
36
578.00 kJ / mol
99+
Level Energy 2
1,470.00 kJ / mol
99+
1,158.00 kJ / mol
99+
Level Energy 3rd
2,850.00 kJ / mol
33
2,132.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,493.00 kJ / mol
99+
padha karo elektrokimia
0.52 g / amp-day
99+
3.02 g / amp-day
17
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
43
99+
95
23
Konfigurasi elektron
[Kr] 4d 5 5S 2
[Rn] 5F 7 7s 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-Americium.jpg#100
atom
Jumlah proton
43
99+
95
23
Jumlah Neutron
55
99+
148
12
Jumlah Èlèktron
43
99+
95
23
Radius saka Atom
Radius atom
136.00 pm
99+
173.00 pm
21
kovalen Radius
147.00 pm
37
180.00 pm
21
Van der Waals Radius
200.00 pm
28
244.00 pm
10
Bobot atom
98.00 Amu
99+
243.00 Amu
20
Volume atom
8.50 cm3 / mol
99+
17.86 cm3 / mol
29
Nomer atom jejer
Potensi Valence Electron
180.00 (-eV)
3
44.00 (-eV)
40
Constant pola
273.50 pm
99+
346.81 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.60
5
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
11.00 g / cm 3
34
12.00 g / cm 3
30
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
13
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
11.50
24
13.67
15
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Unknown
resistivity
200.00 nΩ · m
18
0.69 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
ora Sumadhiya
termal Properties
Kalor tartamtu
0.21 J / (kg K)
29
0.11 J / (kg K)
99+
Graham Kapasitas kalor
24.27 J / mol · K
99+
62.70 J / mol · K
1
doyo termal
50.60 W / m · K
30
10.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
7.10 μm / (m · K)
99+
ora Sumadhiya
enthalpy
Enthalpy panguapan
660.00 kJ / mol
6
ora Sumadhiya
Enthalpy saka Fusion
23.01 kJ / mol
9
14.39 kJ / mol
24
Enthalpy saka atomization
649.00 kJ / mol
8
268.00 kJ / mol
40
Standard molar Entropy
181.10 J / mol.K
2
ora Sumadhiya
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