Hafnium mungsuh polonium
Tabel périodik
Symbol
Hf
Po
Panggil Group
4
14
16
2
Panggil periode
6
6
Block
d block
p pemblokiran
Family unsur
transisi Metal
Transisi Post-
CAS Number
7440586
30
7440086
99+
Jeneng papan Group
P63 / mmc
Pm-3M
Space Group Number
194.00
5
221.00
3
facts
Facts Interesting
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Miturut-produk Nyaring panggolekan Zirconium
Mining, Ores logam
History
sing katutup
Dirk Coster and George de Hevesy
Pierre Curie and Marie Curie
Discovery
ing taun 1922
ing taun 1898
turah mbrawah
Turah mbrawah Ing Universe
7 * 10-8 %
25
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Turah mbrawah Ing Sun
~0.0000001 %
26
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
37
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
31
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Turah mbrawah Ing Segara
0.00 %
27
0.00 %
99+
ulah
Ulah lan Wuku
Character length exceed error
- 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
Industry amunisi
Industry Aerospace, Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
wesi
Properties biologi
keracunan
Toxic
Highly Toxic
Saiki ing badan Human
Ora
Ora
Sang
ora Sumadhiya
0.00 Sang / mg dm-3
37
ing Bone
ora Sumadhiya
0.00 ppm
36
fisik Properties
leleh Point
2,150.00 ° C
10
254.00 ° C
99+
Boiling Point
5,400.00 ° C
5
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gray
Silver
luster
metallic
NA
atose
Mohs atose
5.50
7
ora Sumadhiya
Brinell atose
1,450.00 MPa
6
ora Sumadhiya
Vickers atose
1,520.00 MPa
5
ora Sumadhiya
Kacepetan swara
3,010.00 m / s
27
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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
Hf
Po
isotop
Isotop dikenal
32
7
29
10
keelektronegatifan
Pauling Elektronegativitas
1.30
32
2.00
7
Allred Rochow Elektronegativitas
1.23
25
1.76
2
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.48
1
Allen Elektronegativitas
1.16
37
2.19
2
Electropositivity
Pauling Electropositivity
2.70
22
2.00
99+
tenogo ionisasi
Level Energy 1st
658.50 kJ / mol
40
812.10 kJ / mol
14
Level Energy 2
1,440.00 kJ / mol
99+
ora Sumadhiya
Level Energy 3rd
2,250.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
3,216.00 kJ / mol
99+
ora Sumadhiya
padha karo elektrokimia
1.66 g / amp-day
99+
3.90 g / amp-day
8
Fungsi Work elektron
3.90 eV
27
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Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
72
99+
84
32
Konfigurasi elektron
[Xe] 4F 14 5d 2 6s 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Pénguapan (Mon)
Crystal pola
BCC-Crystal-Structure-.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
atom
Jumlah proton
72
99+
84
32
Jumlah Neutron
106
29
125
19
Jumlah Èlèktron
72
99+
84
32
Radius saka Atom
Radius atom
159.00 pm
28
168.00 pm
23
kovalen Radius
175.00 pm
23
140.00 pm
99+
Van der Waals Radius
200.00 pm
28
197.00 pm
29
Bobot atom
178.49 Amu
39
209.00 Amu
28
Volume atom
13.60 cm3 / mol
38
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
81.00 (-eV)
16
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Constant pola
319.64 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
1.58
12
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
13.31 g / cm 3
26
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
12.00 g / cm3
12
9.40 g / cm3
19
Strength tensile
445.00 MPa
8
ora Sumadhiya
viskositas
ora Sumadhiya
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meksa beluk
Meksa beluk ing 2000 K
0.00 (Pa)
24
ora Sumadhiya
situs kelenturan
nyukur pengaturan
30.00 GPA
23
ora Sumadhiya
pengaturan akeh
110.00 GPA
15
ora Sumadhiya
Young kang pengaturan
78.00 GPA
25
ora Sumadhiya
Poisson rasio
0.37
7
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Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.31
18
9.32
31
Nindakake Magnetic
paramagnetic
nonmagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
331.00 nΩ · m
14
0.40 nΩ · m
99+
konduktivitas listrik
0.03 10 6 / cm Ω
39
0.02 10 6 / cm Ω
99+
elektron Affinity
0.00 kJ / mol
40
183.30 kJ / mol
3
termal Properties
Kalor tartamtu
0.14 J / (kg K)
37
0.12 J / (kg K)
40
Graham Kapasitas kalor
25.73 J / mol · K
36
26.40 J / mol · K
28
doyo termal
23.00 W / m · K
99+
20.00 W / m · K
99+
suhu kritis
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Expansion termal
5.90 μm / (m · K)
99+
23.50 μm / (m · K)
16
enthalpy
Enthalpy panguapan
661.10 kJ / mol
5
60.30 kJ / mol
99+
Enthalpy saka Fusion
25.10 kJ / mol
8
13.00 kJ / mol
26
Enthalpy saka atomization
703.00 kJ / mol
5
134.00 kJ / mol
99+
Standard molar Entropy
43.60 J / mol.K
34
ora Sumadhiya
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