fermium mungsuh Hafnium
Tabel périodik
Symbol
Fm
Hf
Panggil Group
ora Sumadhiya
4
14
Panggil periode
7
6
Block
pemblokiran f
d block
Family unsur
actinide
transisi Metal
CAS Number
7440724
19
7440586
30
Jeneng papan Group
ora Sumadhiya
P63 / mmc
Space Group Number
ora Sumadhiya
194.00
5
facts
Facts Interesting
- metal Fermium punika Highly radioaktif ing alam.
- Fermium wis sintetik diprodhuksi logam.
- Hafnium logam reaktif, Empu ora ketemu gratis ing alam.
- metal Hafnium minangka predicated sawise Mendeleev rampung tabel périodik kang.
sumber
Némbakaké Pu-239 karo Neutron
Miturut-produk Nyaring panggolekan Zirconium
History
sing katutup
Lawrence Berkeley National Laboratory
Dirk Coster and George de Hevesy
Discovery
ing taun 1952
ing taun 1922
turah mbrawah
Turah mbrawah Ing Universe
ora Sumadhiya
7 * 10-8 %
25
Turah mbrawah Ing Sun
~-9999 %
~0.0000001 %
26
Turah mbrawah Ing meteorit
ora Sumadhiya
0.00 %
37
Turah mbrawah Ing bumi lemah ndhuwur
ora Sumadhiya
0.00 %
31
Turah mbrawah Ing Segara
ora Sumadhiya
0.00 %
27
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Fermium sing winates kanggo riset waé mung.
Character length exceed error
Ulah Industrial
NA
Industry amunisi
Ulah Medical
NA
NA
Ulah liyane
NA
wesi, Ing Reactors Nuclear, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Unknown
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
1,527.00 ° C
26
2,150.00 ° C
10
Boiling Point
ora Sumadhiya
5,400.00 ° C
5
katon
State fisik
Solid
Solid
warna
Unknown
Gray
luster
ora ditetepake
metallic
atose
Mohs atose
ora Sumadhiya
5.50
7
Brinell atose
ora Sumadhiya
1,450.00 MPa
6
Vickers atose
ora Sumadhiya
1,520.00 MPa
5
Kacepetan swara
ora Sumadhiya
3,010.00 m / s
27
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
Fm
Hf
isotop
Isotop dikenal
18
21
32
7
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.30
32
Allred Rochow Elektronegativitas
1.20
27
1.23
25
Allen Elektronegativitas
ora Sumadhiya
1.16
37
Electropositivity
Pauling Electropositivity
2.70
22
2.70
22
tenogo ionisasi
Level Energy 1st
627.00 kJ / mol
99+
658.50 kJ / mol
40
Level Energy 2
1,225.00 kJ / mol
99+
1,440.00 kJ / mol
99+
Level Energy 3rd
2,363.00 kJ / mol
99+
2,250.00 kJ / mol
99+
Level Energy 4
3,792.00 kJ / mol
99+
3,216.00 kJ / mol
99+
padha karo elektrokimia
3.20 g / amp-day
13
1.66 g / amp-day
99+
Fungsi Work elektron
ora Sumadhiya
3.90 eV
27
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
anti Corrosion, ionisasi, Isotop radioaktif, kelarutan
atom Properties
Panggil atom
100
18
72
99+
Konfigurasi elektron
[Rn] 5F 12 7s 2
[Xe] 4F 14 5d 2 6s 2
Struktur Crystal
ora Lake
Hexagonal Tutup dikempalken (HCP)
Crystal pola
Unknown-Crystal-Structure-of-Fermium.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
100
18
72
99+
Jumlah Neutron
157
7
106
29
Jumlah Èlèktron
100
18
72
99+
Radius saka Atom
Radius atom
ora Sumadhiya
159.00 pm
28
kovalen Radius
ora Sumadhiya
175.00 pm
23
Van der Waals Radius
245.00 pm
9
200.00 pm
28
Bobot atom
257.00 Amu
15
178.49 Amu
39
Volume atom
ora Sumadhiya
13.60 cm3 / mol
38
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
81.00 (-eV)
16
Constant pola
ora Sumadhiya
319.64 pm
99+
pola Angles
NA
π/2, π/2, 2 π/3
Pola C / A rasio
ora Sumadhiya
1.58
12
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
ora Sumadhiya
13.31 g / cm 3
26
Kapadhetan Nalika Liquid (ing mp)
ora Sumadhiya
12.00 g / cm3
12
Strength tensile
ora Sumadhiya
445.00 MPa
8
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.00 (Pa)
24
situs kelenturan
nyukur pengaturan
ora Sumadhiya
30.00 GPA
23
pengaturan akeh
ora Sumadhiya
110.00 GPA
15
Young kang pengaturan
ora Sumadhiya
78.00 GPA
25
Poisson rasio
ora Sumadhiya
0.37
7
Properties Teknik liyane
NA
ductile, malleable
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
13.31
18
Nindakake Magnetic
Unknown
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
ora Sumadhiya
331.00 nΩ · m
14
konduktivitas listrik
ora Sumadhiya
0.03 10 6 / cm Ω
39
elektron Affinity
ora Sumadhiya
0.00 kJ / mol
40
termal Properties
Kalor tartamtu
ora Sumadhiya
0.14 J / (kg K)
37
Graham Kapasitas kalor
ora Sumadhiya
25.73 J / mol · K
36
doyo termal
ora Sumadhiya
23.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
5.90 μm / (m · K)
99+
enthalpy
Enthalpy panguapan
ora Sumadhiya
661.10 kJ / mol
5
Enthalpy saka Fusion
ora Sumadhiya
25.10 kJ / mol
8
Enthalpy saka atomization
ora Sumadhiya
703.00 kJ / mol
5
Standard molar Entropy
ora Sumadhiya
43.60 J / mol.K
34
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