polonium mungsuh Platinum
Tabel périodik
Symbol
Po
Pt
Panggil Group
16
2
10
8
Panggil periode
6
6
Block
p pemblokiran
d block
Family unsur
Transisi Post-
transisi Metal
CAS Number
7440086
99+
7440064
99+
Jeneng papan Group
Pm-3M
Fm_ 3M
Space Group Number
221.00
3
225.00
2
facts
Facts Interesting
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
- Platinum punika logam paling langka saka kategori logam larang regane ..
- Iklan Platinum diprodhuksi minangka prodhuk sampingan ores saka nikel.
sumber
Mining, Ores logam
Mining, Ores logam, Ores saka Minerals
History
sing katutup
Pierre Curie and Marie Curie
Antonio de Ulloa
Discovery
ing taun 1898
ing 1735
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
5 * 10-7 %
19
Turah mbrawah Ing Sun
~-9999 %
~0.0000009 %
19
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
25
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
99+
Turah mbrawah Ing Segara
0.00 %
99+
ora Sumadhiya
ulah
Ulah lan Wuku
- 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.
- Platinum logam utamané dipigunakaké ing perhiasan.
- Platinum digunakake minangka katalis industri ing asam nitrat, silikon lan benzena.
Ulah Industrial
Industry Aerospace, Industry amunisi
Industry Aerospace, Industri Kimia
Ulah Medical
NA
Dentistry, Industry Pharmaceutical, Surgical Instruments Manufacturing
Ulah liyane
wesi
wesi, bullion, koin, Jewellery, patung, Statues
Properties biologi
keracunan
Highly Toxic
non Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
ora Sumadhiya
ing Bone
0.00 ppm
36
ora Sumadhiya
fisik Properties
leleh Point
254.00 ° C
99+
1,772.00 ° C
16
Boiling Point
962.00 ° C
99+
3,827.00 ° C
15
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
NA
metallic
atose
Mohs atose
ora Sumadhiya
3.50
11
Brinell atose
ora Sumadhiya
300.00 MPa
34
Vickers atose
ora Sumadhiya
400.00 MPa
25
Kacepetan swara
ora Sumadhiya
2,800.00 m / s
29
Properties Optical
reflectivity
ora Sumadhiya
73.00 %
8
allotropes
Ya
Ora
α allotropes
α-polonium
ora Sumadhiya
β allotropes
β-polonium
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Po
Pt
isotop
Isotop dikenal
29
10
35
4
keelektronegatifan
Pauling Elektronegativitas
2.00
7
2.28
3
Allred Rochow Elektronegativitas
1.76
2
1.44
17
Mulliken-Jaffe Elektronegativitas
2.48
1
ora Sumadhiya
Allen Elektronegativitas
2.19
2
1.72
16
Electropositivity
Pauling Electropositivity
2.00
99+
1.72
99+
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
870.00 kJ / mol
10
Level Energy 2
ora Sumadhiya
1,791.00 kJ / mol
21
padha karo elektrokimia
3.90 g / amp-day
8
1.82 g / amp-day
35
Fungsi Work elektron
ora Sumadhiya
5.65 eV
1
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, anti Corrosion, ionisasi
atom Properties
Panggil atom
84
32
78
38
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Xe] 4F 14 5d 9 6s 1
Struktur Crystal
Pénguapan (Mon)
Face tengah kubik (FCC)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
FCC-Crystal-Structure-of-Platinum.jpg#100
atom
Jumlah proton
84
32
78
38
Jumlah Neutron
125
19
117
24
Jumlah Èlèktron
84
32
78
38
Radius saka Atom
Radius atom
168.00 pm
23
139.00 pm
39
kovalen Radius
140.00 pm
99+
136.00 pm
99+
Van der Waals Radius
197.00 pm
29
175.00 pm
36
Bobot atom
209.00 Amu
28
47.87 Amu
99+
Volume atom
22.23 cm3 / mol
13
9.09 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
392.42 (-eV)
1
Constant pola
335.90 pm
99+
392.42 pm
24
pola Angles
π/2, π/2, π/2
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.20 g / cm 3
99+
21.45 g / cm 3
11
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
19.77 g / cm3
2
Strength tensile
ora Sumadhiya
125.00 MPa
14
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.07 (Pa)
18
situs kelenturan
nyukur pengaturan
ora Sumadhiya
61.00 GPA
14
pengaturan akeh
ora Sumadhiya
230.00 GPA
6
Young kang pengaturan
ora Sumadhiya
168.00 GPA
14
Poisson rasio
ora Sumadhiya
0.38
6
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.32
31
21.45
4
Nindakake Magnetic
nonmagnetic
paramagnetic
permeabilitas
ora Sumadhiya
0.00 H / m
3
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.40 nΩ · m
99+
105.00 nΩ · m
30
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.10 10 6 / cm Ω
21
elektron Affinity
183.30 kJ / mol
3
205.30 kJ / mol
2
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.13 J / (kg K)
39
Graham Kapasitas kalor
26.40 J / mol · K
28
25.86 J / mol · K
35
doyo termal
20.00 W / m · K
99+
71.60 W / m · K
24
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
23.50 μm / (m · K)
16
8.80 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
60.30 kJ / mol
99+
510.50 kJ / mol
11
Enthalpy saka Fusion
13.00 kJ / mol
26
19.70 kJ / mol
12
Enthalpy saka atomization
134.00 kJ / mol
99+
565.00 kJ / mol
11
Standard molar Entropy
ora Sumadhiya
41.60 J / mol.K
36
|
||
|
||
|
