kadmium mungsuh Protaktinium
Tabel périodik
Symbol
Cd
Pa
Panggil Group
12
6
ora Sumadhiya
Panggil periode
5
7
Block
d block
pemblokiran f
Family unsur
transisi Metal
actinide
CAS Number
7440439
99+
7440133
99+
Jeneng papan Group
P63 / mmc
I4 / mmm
Space Group Number
194.00
5
139.00
8
facts
Facts Interesting
Character length exceed error
- metal Protaktinium wis 29 isotop.
- Isotop saka Protaktinium-231 digunakake ing gegaman nuklir.
sumber
Found Minangka By-produk, Found in Minerals, Mining
Found in Ores Uranium, Mining, Ores logam
History
sing katutup
Karl Samuel Leberecht Hermann and Friedrich Stromeyer
William Crookes
Discovery
ing 1817
ing taun 1900
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000006 %
21
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
31
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
99+
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
28
0.00 %
99+
Turah mbrawah Ing Manungsa
0.00 %
11
ora Sumadhiya
ulah
Ulah lan Wuku
- Wis Efesus banget winates minangka logam beracun lan bisa nimbulaké cacat lair, kanker, etc.
- Meh 80% saka logam kadmium digunakake ing Nikel Baterei kadmium lan saiki lagi njupuk diganti karo isotop nikel.
- Efesus saiki dikenal saka logam Protaktinium sing winates kanggo riset waé mung.
Ulah Industrial
Industry Aerospace, Industry amunisi, Industri Kimia, Industry Listrik, Industry Elektronik
NA
Ulah Medical
NA
NA
Ulah liyane
wesi
NA
Properties biologi
keracunan
Toxic
Highly Toxic
Saiki ing badan Human
Ya
Ora
Sang
0.01 Sang / mg dm-3
24
0.00 Sang / mg dm-3
37
ing Bone
1.80 ppm
15
0.00 ppm
36
fisik Properties
leleh Point
320.90 ° C
99+
1,568.00 ° C
21
Boiling Point
765.00 ° C
99+
4,027.00 ° C
12
katon
State fisik
Solid
Solid
warna
Perak werna-Gray
Silver
luster
metallic
metallic
atose
Mohs atose
2.00
16
ora Sumadhiya
Brinell atose
203.00 MPa
39
ora Sumadhiya
Kacepetan swara
2,310.00 m / s
39
ora Sumadhiya
Properties Optical
reflectivity
67.00 %
11
ora Sumadhiya
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
Cd
Pa
isotop
Isotop dikenal
34
5
27
12
keelektronegatifan
Pauling Elektronegativitas
1.69
17
1.50
27
Sanderson Elektronegativitas
1.98
9
ora Sumadhiya
Allred Rochow Elektronegativitas
1.46
15
1.14
28
Mulliken-Jaffe Elektronegativitas
1.53
13
ora Sumadhiya
Allen Elektronegativitas
1.52
27
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.31
37
2.50
27
tenogo ionisasi
Level Energy 1st
867.80 kJ / mol
11
568.00 kJ / mol
99+
Level Energy 2
1,631.40 kJ / mol
32
1,128.00 kJ / mol
99+
Level Energy 3rd
3,616.00 kJ / mol
13
1,814.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
2,991.00 kJ / mol
99+
padha karo elektrokimia
2.10 g / amp-day
27
1.72 g / amp-day
99+
Fungsi Work elektron
4.22 eV
22
ora Sumadhiya
Properties Kimia liyane
Kimia Stabilitas, anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
48
99+
91
27
Konfigurasi elektron
[Kr] 4d 10 5S 2
[Rn] 5F 2 6D 1 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Tetragonal (TETR)
Crystal pola
HCP-Crystal-Structure-of-Cadmium.jpg#100
TETR-Crystal-Structure-of-Protactinium.jpg#100
atom
Jumlah proton
48
99+
91
27
Jumlah Neutron
64
99+
122
21
Jumlah Èlèktron
48
99+
91
27
Radius saka Atom
Radius atom
151.00 pm
32
163.00 pm
25
kovalen Radius
144.00 pm
40
200.00 pm
11
Van der Waals Radius
158.00 pm
99+
243.00 pm
11
Bobot atom
112.41 Amu
99+
231.04 Amu
24
Volume atom
13.10 cm3 / mol
39
15.00 cm3 / mol
34
Nomer atom jejer
Potensi Valence Electron
30.00 (-eV)
99+
92.00 (-eV)
11
Constant pola
297.94 pm
99+
392.50 pm
23
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.89
1
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
8.65 g / cm 3
99+
15.37 g / cm 3
20
Kapadhetan Nalika Liquid (ing mp)
8.00 g / cm3
28
ora Sumadhiya
Strength tensile
62.00 MPa
16
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
nyukur pengaturan
19.00 GPA
35
ora Sumadhiya
pengaturan akeh
42.00 GPA
29
ora Sumadhiya
Young kang pengaturan
50.00 GPA
36
ora Sumadhiya
Poisson rasio
0.30
14
ora Sumadhiya
Properties Teknik liyane
ductile, malleable
Unknown
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
8.65
36
15.37
12
Nindakake Magnetic
diamagnetic
paramagnetic
Properties Listrik
Property Listrik
Semiconductor
Arman
resistivity
72.70 nΩ · m
36
177.00 nΩ · m
21
konduktivitas listrik
0.14 10 6 / cm Ω
15
0.05 10 6 / cm Ω
34
elektron Affinity
0.00 kJ / mol
40
ora Sumadhiya
termal Properties
Kalor tartamtu
0.23 J / (kg K)
26
0.12 J / (kg K)
40
Graham Kapasitas kalor
26.02 J / mol · K
32
ora Sumadhiya
doyo termal
96.60 W / m · K
16
47.00 W / m · K
32
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
30.80 μm / (m · K)
10
9.90 μm / (m · K)
40
enthalpy
Enthalpy panguapan
100.00 kJ / mol
99+
ora Sumadhiya
Enthalpy saka Fusion
6.19 kJ / mol
99+
12.34 kJ / mol
28
Enthalpy saka atomization
113.00 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
51.80 J / mol.K
27
198.10 J / mol.K
1
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