mbandhingaké polonium lan sesium
Tabel périodik
Symbol
Po
Cs
Panggil Group
16
2
1
17
Panggil periode
6
6
Block
p pemblokiran
s pemblokiran
Family unsur
Transisi Post-
alkali
CAS Number
7440086
99+
7440462
40
Jeneng papan Group
Pm-3M
3M Im_
Space Group Number
221.00
3
229.00
1
facts
Facts Interesting
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
ora Cepak
sumber
Mining, Ores logam
bumi lemah ndhuwur, Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Pierre Curie and Marie Curie
Robert Bunsen and Gustav Kirchhoff
Discovery
ing taun 1898
ing taun 1860
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
8 * 10-8 %
24
Turah mbrawah Ing Sun
~-9999 %
~0.0000008 %
20
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
38
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
35
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
17
Turah mbrawah Ing Manungsa
ora Sumadhiya
0.00 %
17
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.
- nggunakake paling umum saka logam Sesium yaiku adi ngebur. Sampeyan uga dipigunakaké ing Manufaktur kaca optik.
- Ing tabung vakum lan peralatan monitor radiation logam iki digunakake minangka katalis tukang promosi.
Ulah Industrial
Industry Aerospace, Industry amunisi
Industry Aerospace, Industry automobile, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
Highly Toxic
mildly Toxic
Saiki ing badan Human
Ora
Ya
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
28
ing Bone
0.00 ppm
36
0.05 ppm
26
fisik Properties
leleh Point
254.00 ° C
99+
28.50 ° C
99+
Boiling Point
962.00 ° C
99+
678.40 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
Gold perak
luster
NA
NA
atose
Mohs atose
ora Sumadhiya
0.20
25
Brinell atose
ora Sumadhiya
0.14 MPa
99+
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
Properties Optical
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
Cs
isotop
Isotop dikenal
29
10
36
3
keelektronegatifan
Pauling Elektronegativitas
2.00
7
0.79
99+
Sanderson Elektronegativitas
ora Sumadhiya
0.22
33
Allred Rochow Elektronegativitas
1.76
2
0.86
99+
Mulliken-Jaffe Elektronegativitas
2.48
1
0.62
26
Allen Elektronegativitas
2.19
2
0.66
99+
Electropositivity
Pauling Electropositivity
2.00
99+
3.21
2
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
375.70 kJ / mol
99+
Level Energy 2
ora Sumadhiya
2,234.30 kJ / mol
8
Level Energy 3rd
ora Sumadhiya
3,400.00 kJ / mol
16
padha karo elektrokimia
3.90 g / amp-day
8
4.96 g / amp-day
3
Fungsi Work elektron
ora Sumadhiya
2.14 eV
99+
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
Kimia Stabilitas, Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
84
32
55
99+
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Xe] 6s 1
Struktur Crystal
Pénguapan (Mon)
Body tengah kubik (Bcc)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
84
32
55
99+
Jumlah Neutron
125
19
78
99+
Jumlah Èlèktron
84
32
55
99+
Radius saka Atom
Radius atom
168.00 pm
23
265.00 pm
1
kovalen Radius
140.00 pm
99+
244.00 pm
2
Van der Waals Radius
197.00 pm
29
343.00 pm
2
Bobot atom
209.00 Amu
28
132.91 Amu
99+
Volume atom
22.23 cm3 / mol
13
71.07 cm3 / mol
1
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
8.62 (-eV)
99+
Constant pola
335.90 pm
99+
614.10 pm
5
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+
1.93 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
1.84 g / cm3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
pengaturan akeh
ora Sumadhiya
1.60 GPA
99+
Young kang pengaturan
ora Sumadhiya
1.70 GPA
99+
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.32
31
1.87
99+
Nindakake Magnetic
nonmagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Semiconductor
resistivity
0.40 nΩ · m
99+
205.00 nΩ · m
17
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.05 10 6 / cm Ω
35
elektron Affinity
183.30 kJ / mol
3
45.50 kJ / mol
25
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.24 J / (kg K)
23
Graham Kapasitas kalor
26.40 J / mol · K
28
32.21 J / mol · K
4
doyo termal
20.00 W / m · K
99+
35.90 W / m · K
36
suhu kritis
ora Sumadhiya
1,938.00 K
5
Expansion termal
23.50 μm / (m · K)
16
97.00 μm / (m · K)
1
enthalpy
Enthalpy panguapan
60.30 kJ / mol
99+
65.90 kJ / mol
99+
Enthalpy saka Fusion
13.00 kJ / mol
26
2.10 kJ / mol
99+
Enthalpy saka atomization
134.00 kJ / mol
99+
78.20 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
85.20 J / mol.K
3
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