polonium mungsuh Gadolinium
Tabel périodik
Symbol
Po
Gd
Panggil Group
16
2
0
18
Panggil periode
6
6
Block
p pemblokiran
pemblokiran f
Family unsur
Transisi Post-
lanthanide
CAS Number
7440086
99+
7440542
33
Jeneng papan Group
Pm-3M
P63 / mmc
Space Group Number
221.00
3
194.00
5
facts
Facts Interesting
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
- Gadolinium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Gadolinium ditemokaké ing mineral Monazite lan bastnaesite.
sumber
Mining, Ores logam
Found in Minerals, Mining
History
sing katutup
Pierre Curie and Marie Curie
Jean Charles Galissard de Marignac
Discovery
ing taun 1898
ing taun 1880
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
2 * 10-7 %
22
Turah mbrawah Ing Sun
~-9999 %
~0.0000002 %
25
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
34
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
30
Turah mbrawah Ing Segara
0.00 %
99+
0.00 %
38
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.
- wesi uga digunakake ing nggawe Magnets, komponen elektronik lan piranti panyimpenan data.
- Senyawa saka logam Gadolinium digunakake ing magnetik résonansi (MRI).
Ulah Industrial
Industry Aerospace, Industry amunisi
Industry Aerospace, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
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+
1,311.00 ° C
35
Boiling Point
962.00 ° C
99+
3,233.00 ° C
25
katon
State fisik
Solid
Solid
warna
Silver
perak Putih
luster
NA
metallic
atose
Vickers atose
ora Sumadhiya
510.00 MPa
22
Kacepetan swara
ora Sumadhiya
2,680.00 m / s
34
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
Gd
isotop
Isotop dikenal
29
10
26
13
keelektronegatifan
Pauling Elektronegativitas
2.00
7
1.20
39
Allred Rochow Elektronegativitas
1.76
2
1.11
29
Mulliken-Jaffe Elektronegativitas
2.48
1
ora Sumadhiya
Allen Elektronegativitas
2.19
2
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.00
99+
2.80
15
tenogo ionisasi
Level Energy 1st
812.10 kJ / mol
14
593.40 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,170.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
1,990.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
4,250.00 kJ / mol
30
padha karo elektrokimia
3.90 g / amp-day
8
1.96 g / amp-day
32
Fungsi Work elektron
ora Sumadhiya
3.10 eV
35
Properties Kimia liyane
ionisasi, Isotop radioaktif, kelarutan
Corrosion, kebakar, ionisasi, Isotop radioaktif
atom Properties
Panggil atom
84
32
64
99+
Konfigurasi elektron
[Xe] 4F 14 5d 10 6s 2 6p 4
[Xe] 4F 7 5d 1 6s 2
Struktur Crystal
Pénguapan (Mon)
Hexagonal Tutup dikempalken (HCP)
Crystal pola
MON-Crystal-Structure-of-Polonium.jpg#100
HCP-Crystal-Structure-of-Gadolinium.jpg#100
atom
Jumlah proton
84
32
64
99+
Jumlah Neutron
125
19
93
37
Jumlah Èlèktron
84
32
64
99+
Radius saka Atom
Radius atom
168.00 pm
23
180.00 pm
14
kovalen Radius
140.00 pm
99+
196.00 pm
14
Van der Waals Radius
197.00 pm
29
237.00 pm
15
Bobot atom
209.00 Amu
28
47.87 Amu
99+
Volume atom
22.23 cm3 / mol
13
19.90 cm3 / mol
20
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
46.10 (-eV)
34
Constant pola
335.90 pm
99+
363.60 pm
32
pola Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.59
9
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
9.20 g / cm 3
99+
7.90 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
9.40 g / cm3
19
7.40 g / cm3
31
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.00 (Pa)
30
Meksa beluk ing 2000 K
ora Sumadhiya
7.39 (Pa)
9
situs kelenturan
nyukur pengaturan
ora Sumadhiya
21.80 GPA
33
pengaturan akeh
ora Sumadhiya
37.90 GPA
34
Young kang pengaturan
ora Sumadhiya
54.80 GPA
35
Poisson rasio
ora Sumadhiya
0.26
23
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
9.32
31
7.90
40
Nindakake Magnetic
nonmagnetic
Ferromagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
0.40 nΩ · m
99+
1.31 nΩ · m
99+
konduktivitas listrik
0.02 10 6 / cm Ω
99+
0.01 10 6 / cm Ω
99+
elektron Affinity
183.30 kJ / mol
3
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.12 J / (kg K)
40
0.23 J / (kg K)
27
Graham Kapasitas kalor
26.40 J / mol · K
28
37.03 J / mol · K
2
doyo termal
20.00 W / m · K
99+
10.60 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
23.50 μm / (m · K)
16
9.40 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
60.30 kJ / mol
99+
359.40 kJ / mol
21
Enthalpy saka Fusion
13.00 kJ / mol
26
10.05 kJ / mol
36
Enthalpy saka atomization
134.00 kJ / mol
99+
352.00 kJ / mol
27
Standard molar Entropy
ora Sumadhiya
68.10 J / mol.K
16
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