Hafnium mungsuh Samarium
Tabel périodik
Symbol
Hf
Sm
Panggil Group
4
14
ora Sumadhiya
Panggil periode
6
6
Block
d block
pemblokiran f
Family unsur
transisi Metal
lanthanide
CAS Number
7440586
30
7440199
99+
Jeneng papan Group
P63 / mmc
R_ 3M
Space Group Number
194.00
5
166.00
6
facts
Facts Interesting
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
- Samarium logam mbantu menehi pancingan metabolisme awak.
- Samarium logam ana 1st diamati dening Jean Charles Galissard de Marignac ing Dydimia ing 1853.
sumber
Miturut-produk Nyaring panggolekan Zirconium
Found in Minerals, Mining, Ores saka Minerals
History
sing katutup
Dirk Coster and George de Hevesy
Lecoq de Boisbaudran
Discovery
ing taun 1922
ing taun 1879
turah mbrawah
Turah mbrawah Ing Universe
7 * 10-8 %
25
5 * 10-7 %
19
Turah mbrawah Ing Sun
~0.0000001 %
26
~0.0000001 %
26
Turah mbrawah Ing meteorit
0.00 %
37
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
31
0.00 %
29
Turah mbrawah Ing Segara
0.00 %
27
0.00 %
40
ulah
Ulah lan Wuku
Character length exceed error
Character length exceed error
Ulah Industrial
Industry amunisi
Industry Aerospace, Industry automobile, Industri Kimia, Industry Listrik, Industry Elektronik
Ulah Medical
NA
NA
Ulah liyane
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
wesi, Ing Reactors Nuclear
Properties biologi
keracunan
Toxic
rada Toxic
Saiki ing badan Human
Ora
Ya
Sang
ora Sumadhiya
0.01 Sang / mg dm-3
22
fisik Properties
leleh Point
2,150.00 ° C
10
1,072.00 ° C
99+
Boiling Point
5,400.00 ° C
5
1,900.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Gray
perak Putih
luster
metallic
lustrous
atose
Mohs atose
5.50
7
ora Sumadhiya
Brinell atose
1,450.00 MPa
6
441.00 MPa
27
Vickers atose
1,520.00 MPa
5
412.00 MPa
24
Kacepetan swara
3,010.00 m / s
27
2,130.00 m / s
99+
Properties Optical
allotropes
Ora
Ora
α allotropes
ora Sumadhiya
ora Sumadhiya
β allotropes
ora Sumadhiya
ora Sumadhiya
γ allotropes
ora Sumadhiya
ora Sumadhiya
Kimia Properties
Formula Kimia
Hf
Sm
isotop
Isotop dikenal
32
7
30
9
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.17
40
Allred Rochow Elektronegativitas
1.23
25
1.07
32
Allen Elektronegativitas
1.16
37
ora Sumadhiya
Electropositivity
Pauling Electropositivity
2.70
22
2.83
14
tenogo ionisasi
Level Energy 1st
658.50 kJ / mol
40
544.50 kJ / mol
99+
Level Energy 2
1,440.00 kJ / mol
99+
1,070.00 kJ / mol
99+
Level Energy 3rd
2,250.00 kJ / mol
99+
2,260.00 kJ / mol
99+
Level Energy 4
3,216.00 kJ / mol
99+
3,990.00 kJ / mol
37
padha karo elektrokimia
1.66 g / amp-day
99+
1.87 g / amp-day
34
Fungsi Work elektron
3.90 eV
27
2.70 eV
99+
Properties Kimia liyane
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
ionisasi, Isotop radioaktif
atom Properties
Panggil atom
72
99+
62
99+
Konfigurasi elektron
[Xe] 4F 14 5d 2 6s 2
[Xe] 4F 6 6s 2
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Rhombohedral (RHO)
Crystal pola
BCC-Crystal-Structure-.jpg#100
RHO-Crystal-Structure-of-Samarium.jpg#100
atom
Jumlah proton
72
99+
62
99+
Jumlah Neutron
106
29
88
39
Jumlah Èlèktron
72
99+
62
99+
Radius saka Atom
Radius atom
159.00 pm
28
180.00 pm
14
kovalen Radius
175.00 pm
23
198.00 pm
13
Van der Waals Radius
200.00 pm
28
229.00 pm
20
Bobot atom
178.49 Amu
39
150.36 Amu
99+
Volume atom
13.60 cm3 / mol
38
19.95 cm3 / mol
19
Nomer atom jejer
Potensi Valence Electron
81.00 (-eV)
16
44.80 (-eV)
37
Constant pola
319.64 pm
99+
362.10 pm
33
pola Angles
π/2, π/2, 2 π/3
π/2, π/2, 2 π/3
Pola C / A rasio
1.58
12
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
13.31 g / cm 3
26
7.52 g / cm 3
99+
Kapadhetan Nalika Liquid (ing mp)
12.00 g / cm3
12
7.16 g / cm3
32
Strength tensile
445.00 MPa
8
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 1000 K
ora Sumadhiya
0.94 (Pa)
9
Meksa beluk ing 2000 K
0.00 (Pa)
24
ora Sumadhiya
situs kelenturan
nyukur pengaturan
30.00 GPA
23
19.50 GPA
34
pengaturan akeh
110.00 GPA
15
37.80 GPA
35
Young kang pengaturan
78.00 GPA
25
49.70 GPA
37
Poisson rasio
0.37
7
0.27
19
Properties Teknik liyane
ductile, malleable
NA
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
13.31
18
7.52
99+
Nindakake Magnetic
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman
Arman
resistivity
331.00 nΩ · m
14
0.94 nΩ · m
99+
konduktivitas listrik
0.03 10 6 / cm Ω
39
0.01 10 6 / cm Ω
99+
elektron Affinity
0.00 kJ / mol
40
50.00 kJ / mol
21
termal Properties
Kalor tartamtu
0.14 J / (kg K)
37
0.20 J / (kg K)
31
Graham Kapasitas kalor
25.73 J / mol · K
36
29.54 J / mol · K
7
doyo termal
23.00 W / m · K
99+
13.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
5.90 μm / (m · K)
99+
12.70 μm / (m · K)
30
enthalpy
Enthalpy panguapan
661.10 kJ / mol
5
166.40 kJ / mol
99+
Enthalpy saka Fusion
25.10 kJ / mol
8
8.62 kJ / mol
40
Enthalpy saka atomization
703.00 kJ / mol
5
209.00 kJ / mol
99+
Standard molar Entropy
43.60 J / mol.K
34
69.60 J / mol.K
15
|
||
|
||
|
