fermium mungsuh neptunium
Tabel périodik
Symbol
Fm
Np
Panggil Group
ora Sumadhiya
ora Sumadhiya
Panggil periode
7
7
Block
pemblokiran f
pemblokiran f
Family unsur
actinide
actinide
CAS Number
7440724
19
7439998
99+
Jeneng papan Group
ora Sumadhiya
Pnma
Space Group Number
ora Sumadhiya
62.00
11
facts
Facts Interesting
- metal Fermium punika Highly radioaktif ing alam.
- Fermium wis sintetik diprodhuksi logam.
ora Cepak
sumber
Némbakaké Pu-239 karo Neutron
Digawe dening némbakaké Uranium karo Neutron, Ores logam
History
sing katutup
Lawrence Berkeley National Laboratory
Edwin McMillan and Philip H. Abelson
Discovery
ing taun 1952
ing taun 1940
turah mbrawah
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Fermium sing winates kanggo riset waé mung.
- Efesus saiki dikenal saka logam Neptunium sing winates kanggo riset waé mung.
- Neptunium kang isotop neptunium-237 digunakake minangka neutron detektor.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
NA
wesi, Nuclear Riset, tujuan Research
Properties biologi
keracunan
Unknown
Toxic
Saiki ing badan Human
Ora
Ora
Sang
0.00 Sang / mg dm-3
37
0.00 Sang / mg dm-3
37
ing Bone
0.00 ppm
36
0.00 ppm
36
fisik Properties
leleh Point
1,527.00 ° C
26
640.00 ° C
99+
Boiling Point
ora Sumadhiya
3,902.00 ° C
13
katon
State fisik
Solid
Solid
warna
Unknown
Silver
luster
ora ditetepake
metallic
atose
Kacepetan swara
ora Sumadhiya
ora Sumadhiya
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
Np
isotop
Isotop dikenal
18
21
20
19
keelektronegatifan
Pauling Elektronegativitas
1.30
32
1.36
29
Allred Rochow Elektronegativitas
1.20
27
1.22
26
Electropositivity
Pauling Electropositivity
2.70
22
2.64
25
tenogo ionisasi
Level Energy 1st
627.00 kJ / mol
99+
604.50 kJ / mol
99+
Level Energy 2
1,225.00 kJ / mol
99+
1,128.00 kJ / mol
99+
Level Energy 3rd
2,363.00 kJ / mol
99+
1,997.00 kJ / mol
99+
Level Energy 4
3,792.00 kJ / mol
99+
3,242.00 kJ / mol
99+
padha karo elektrokimia
3.20 g / amp-day
13
1.77 g / amp-day
39
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
100
18
93
25
Konfigurasi elektron
[Rn] 5F 12 7s 2
[Rn] 5F 4 6D 1 7s 2
Struktur Crystal
ora Lake
Orthorhombic (Orth)
Crystal pola
Unknown-Crystal-Structure-of-Fermium.jpg#100
ORTH-Crystal-Structure-of-Neptunium.jpg#100
atom
Jumlah proton
100
18
93
25
Jumlah Neutron
157
7
144
14
Jumlah Èlèktron
100
18
93
25
Radius saka Atom
Radius atom
ora Sumadhiya
155.00 pm
30
kovalen Radius
ora Sumadhiya
190.00 pm
18
Van der Waals Radius
245.00 pm
9
221.00 pm
22
Bobot atom
257.00 Amu
15
237.00 Amu
22
Volume atom
ora Sumadhiya
11.62 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
96.00 (-eV)
9
Constant pola
ora Sumadhiya
666.30 pm
3
pola Angles
NA
π/2, π/2, π/2
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
ora Sumadhiya
19.38 g / cm 3
14
Strength tensile
ora Sumadhiya
125.00 MPa
14
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
Meksa beluk ing 2000 K
ora Sumadhiya
0.11 (Pa)
17
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
ductile
Magnetic Properties
Ciri Magnetic
Gravitasi tartamtu
ora Sumadhiya
20.25
6
Nindakake Magnetic
Unknown
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman
resistivity
ora Sumadhiya
1.22 nΩ · m
99+
konduktivitas listrik
ora Sumadhiya
0.01 10 6 / cm Ω
99+
termal Properties
Kalor tartamtu
ora Sumadhiya
0.12 J / (kg K)
40
Graham Kapasitas kalor
ora Sumadhiya
29.46 J / mol · K
8
doyo termal
ora Sumadhiya
6.30 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
ora Sumadhiya
enthalpy
Enthalpy saka Fusion
ora Sumadhiya
3.20 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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