Hafnium mungsuh Actinium
Tabel périodik
Symbol
Hf
Ac
Panggil Group
4
14
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Panggil periode
6
7
Block
d block
pemblokiran f
Family unsur
transisi Metal
actinide
CAS Number
7440586
30
7440348
99+
Jeneng papan Group
P63 / mmc
Fm_ 3M
Space Group Number
194.00
5
225.00
2
facts
Facts Interesting
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
ora Cepak
sumber
Miturut-produk Nyaring panggolekan Zirconium
Dijupuk dening Nambani Radium karo Neutron, Ores logam
History
sing katutup
Dirk Coster and George de Hevesy
Friedrich Oskar Giesel
Discovery
ing taun 1922
ing taun 1902
turah mbrawah
Turah mbrawah Ing Universe
7 * 10-8 %
25
ora Sumadhiya
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
ora Sumadhiya
Turah mbrawah Ing Segara
0.00 %
27
ora Sumadhiya
ulah
Ulah lan Wuku
Character length exceed error
- metal Actinium wis sumber sinar alfa nanging ora dienggo njaba riset waé.
Ulah Industrial
Industry amunisi
NA
Ulah Medical
NA
NA
Ulah liyane
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Toxic
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
1,227.00 ° C
38
Boiling Point
5,400.00 ° C
5
3,200.00 ° C
26
katon
State fisik
Solid
Solid
warna
Gray
perak Putih
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
ora Sumadhiya
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
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Kimia Properties
Formula Kimia
Hf
Ac
isotop
Isotop dikenal
32
7
29
10
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.10
99+
Allred Rochow Elektronegativitas
1.23
25
1.00
36
Allen Elektronegativitas
1.16
37
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.70
22
2.90
10
tenogo ionisasi
Level Energy 1st
658.50 kJ / mol
40
499.00 kJ / mol
99+
Level Energy 2
1,440.00 kJ / mol
99+
1,170.00 kJ / mol
99+
Level Energy 3rd
2,250.00 kJ / mol
99+
1,900.00 kJ / mol
99+
Level Energy 4
3,216.00 kJ / mol
99+
4,700.00 kJ / mol
23
padha karo elektrokimia
1.66 g / amp-day
99+
2.82 g / amp-day
18
Fungsi Work elektron
3.90 eV
27
ora Sumadhiya
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
72
99+
89
29
Konfigurasi elektron
[Xe] 4F 14 5d 2 6s 2
[Rn] 6D 1 7s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Face tengah kubik (FCC)
Crystal pola
BCC-Crystal-Structure-.jpg#100
FCC-Crystal-Structure-of-Actinium.jpg#100
atom
Jumlah proton
72
99+
89
29
Jumlah Neutron
106
29
138
16
Jumlah Èlèktron
72
99+
89
29
Radius saka Atom
Radius atom
159.00 pm
28
195.00 pm
7
kovalen Radius
175.00 pm
23
ora Sumadhiya
Van der Waals Radius
200.00 pm
28
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Bobot atom
178.49 Amu
39
227.00 Amu
25
Volume atom
13.60 cm3 / mol
38
22.54 cm3 / mol
11
Nomer atom jejer
Potensi Valence Electron
81.00 (-eV)
16
38.60 (-eV)
99+
Constant pola
319.64 pm
99+
567.00 pm
8
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
10.00 g / cm 3
37
Kapadhetan Nalika Liquid (ing mp)
12.00 g / cm3
12
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Strength tensile
445.00 MPa
8
ora Sumadhiya
viskositas
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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
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pengaturan akeh
110.00 GPA
15
ora Sumadhiya
Young kang pengaturan
78.00 GPA
25
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Poisson rasio
0.37
7
ora Sumadhiya
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.31
18
10.07
28
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Unknown
resistivity
331.00 nΩ · m
14
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konduktivitas listrik
0.03 10 6 / cm Ω
39
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elektron Affinity
0.00 kJ / mol
40
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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
27.20 J / mol · K
18
doyo termal
23.00 W / m · K
99+
12.00 W / m · K
99+
suhu kritis
ora Sumadhiya
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Expansion termal
5.90 μm / (m · K)
99+
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enthalpy
Enthalpy panguapan
661.10 kJ / mol
5
ora Sumadhiya
Enthalpy saka Fusion
25.10 kJ / mol
8
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Enthalpy saka atomization
703.00 kJ / mol
5
301.00 kJ / mol
36
Standard molar Entropy
43.60 J / mol.K
34
56.50 J / mol.K
25
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