Gadolinium mungsuh polonium
Tabel périodik
Symbol
Gd
Po
Panggil Group
0
18
16
2
Panggil periode
6
6
Block
pemblokiran f
p pemblokiran
Family unsur
lanthanide
Transisi Post-
CAS Number
7440542
33
7440086
99+
Jeneng papan Group
P63 / mmc
Pm-3M
Space Group Number
194.00
5
221.00
3
facts
Facts Interesting
- Gadolinium ora ketemu gratis ing alam, Empu iku ora logam native.
- metal Gadolinium ditemokaké ing mineral Monazite lan bastnaesite.
- Polonium unsur radioaktif sing pisanan ditemokaké.
- unsur polonium lan senyawa Highly radioaktif.
- Sawijining logam campuran karo Beryllium menehi sumber neutron.
sumber
Found in Minerals, Mining
Mining, Ores logam
History
sing katutup
Jean Charles Galissard de Marignac
Pierre Curie and Marie Curie
Discovery
ing taun 1880
ing taun 1898
turah mbrawah
Turah mbrawah Ing Universe
2 * 10-7 %
22
ora Sumadhiya
Turah mbrawah Ing Sun
~0.0000002 %
25
~-9999 %
Turah mbrawah Ing meteorit
0.00 %
34
ora Sumadhiya
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
30
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
38
0.00 %
99+
ulah
Ulah lan Wuku
- wesi uga digunakake ing nggawe Magnets, komponen elektronik lan piranti panyimpenan data.
- Senyawa saka logam Gadolinium digunakake ing magnetik résonansi (MRI).
- 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 Aerospace, Industry Listrik, Industry Elektronik
Industry Aerospace, Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
wesi
wesi
Properties biologi
keracunan
non 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
1,311.00 ° C
35
254.00 ° C
99+
Boiling Point
3,233.00 ° C
25
962.00 ° C
99+
katon
State fisik
Solid
Solid
warna
perak Putih
Silver
luster
metallic
NA
atose
Vickers atose
510.00 MPa
22
ora Sumadhiya
Kacepetan swara
2,680.00 m / s
34
ora Sumadhiya
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
Gd
Po
isotop
Isotop dikenal
26
13
29
10
keelektronegatifan
Pauling Elektronegativitas
1.20
39
2.00
7
Allred Rochow Elektronegativitas
1.11
29
1.76
2
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
2.48
1
Allen Elektronegativitas
ora Sumadhiya
2.19
2
Electropositivity
Pauling Electropositivity
2.80
15
2.00
99+
tenogo ionisasi
Level Energy 1st
593.40 kJ / mol
99+
812.10 kJ / mol
14
Level Energy 2
1,170.00 kJ / mol
99+
ora Sumadhiya
Level Energy 3rd
1,990.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
4,250.00 kJ / mol
30
ora Sumadhiya
padha karo elektrokimia
1.96 g / amp-day
32
3.90 g / amp-day
8
Fungsi Work elektron
3.10 eV
35
ora Sumadhiya
Properties Kimia liyane
Corrosion, kebakar, ionisasi, Isotop radioaktif
ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
64
99+
84
32
Konfigurasi elektron
[Xe] 4F 7 5d 1 6s 2
[Xe] 4F 14 5d 10 6s 2 6p 4
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Pénguapan (Mon)
Crystal pola
HCP-Crystal-Structure-of-Gadolinium.jpg#100
MON-Crystal-Structure-of-Polonium.jpg#100
atom
Jumlah proton
64
99+
84
32
Jumlah Neutron
93
37
125
19
Jumlah Èlèktron
64
99+
84
32
Radius saka Atom
Radius atom
180.00 pm
14
168.00 pm
23
kovalen Radius
196.00 pm
14
140.00 pm
99+
Van der Waals Radius
237.00 pm
15
197.00 pm
29
Bobot atom
47.87 Amu
99+
209.00 Amu
28
Volume atom
19.90 cm3 / mol
20
22.23 cm3 / mol
13
Nomer atom jejer
Potensi Valence Electron
46.10 (-eV)
34
ora Sumadhiya
Constant pola
363.60 pm
32
335.90 pm
99+
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
Pola C / A rasio
1.59
9
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
7.90 g / cm 3
99+
9.20 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
7.40 g / cm3
31
9.40 g / cm3
19
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
30
ora Sumadhiya
Meksa beluk ing 2000 K
7.39 (Pa)
9
ora Sumadhiya
situs kelenturan
nyukur pengaturan
21.80 GPA
33
ora Sumadhiya
pengaturan akeh
37.90 GPA
34
ora Sumadhiya
Young kang pengaturan
54.80 GPA
35
ora Sumadhiya
Poisson rasio
0.26
23
ora Sumadhiya
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
7.90
40
9.32
31
Nindakake Magnetic
Ferromagnetic
nonmagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
1.31 nΩ · m
99+
0.40 nΩ · m
99+
konduktivitas listrik
0.01 10 6 / cm Ω
99+
0.02 10 6 / cm Ω
99+
elektron Affinity
50.00 kJ / mol
21
183.30 kJ / mol
3
termal Properties
Kalor tartamtu
0.23 J / (kg K)
27
0.12 J / (kg K)
40
Graham Kapasitas kalor
37.03 J / mol · K
2
26.40 J / mol · K
28
doyo termal
10.60 W / m · K
99+
20.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
9.40 μm / (m · K)
99+
23.50 μm / (m · K)
16
enthalpy
Enthalpy panguapan
359.40 kJ / mol
21
60.30 kJ / mol
99+
Enthalpy saka Fusion
10.05 kJ / mol
36
13.00 kJ / mol
26
Enthalpy saka atomization
352.00 kJ / mol
27
134.00 kJ / mol
99+
Standard molar Entropy
68.10 J / mol.K
16
ora Sumadhiya
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