Francium mungsuh neptunium
Tabel périodik
Symbol
Fr
Np
Panggil Group
1
17
ora Sumadhiya
Panggil periode
7
7
Block
s pemblokiran
pemblokiran f
Family unsur
alkali
actinide
CAS Number
7440735
18
7439998
99+
Jeneng papan Group
ora Sumadhiya
Pnma
Space Group Number
ora Sumadhiya
62.00
11
facts
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
ora Cepak
sumber
Kawangun dening Process Bosok, Mining
Digawe dening némbakaké Uranium karo Neutron, Ores logam
History
sing katutup
Marguerite Perey
Edwin McMillan and Philip H. Abelson
Discovery
ing taun 1939
ing taun 1940
turah mbrawah
ulah
Ulah lan Wuku
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
- 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
NA
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
27.00 ° C
99+
640.00 ° C
99+
Boiling Point
677.00 ° C
99+
3,902.00 ° C
13
katon
State fisik
Solid
Solid
warna
NA
Silver
luster
NA
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
Fr
Np
isotop
Isotop dikenal
33
6
20
19
keelektronegatifan
Pauling Elektronegativitas
0.70
99+
1.36
29
Allred Rochow Elektronegativitas
0.86
99+
1.22
26
Mulliken-Jaffe Elektronegativitas
0.68
25
ora Sumadhiya
Allen Elektronegativitas
0.67
99+
ora Sumadhiya
Electropositivity
Pauling Electropositivity
3.30
1
2.64
25
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol
99+
604.50 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,128.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
1,997.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,242.00 kJ / mol
99+
padha karo elektrokimia
8.32 g / amp-day
1
1.77 g / amp-day
39
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
87
31
93
25
Konfigurasi elektron
[Rn] 7s 1
[Rn] 5F 4 6D 1 7s 2
Struktur Crystal
Body tengah kubik (Bcc)
Orthorhombic (Orth)
Crystal pola
BCC-Crystal-Structure-.jpg#100
ORTH-Crystal-Structure-of-Neptunium.jpg#100
atom
Jumlah proton
87
31
93
25
Jumlah Neutron
136
17
144
14
Jumlah Èlèktron
87
31
93
25
Radius saka Atom
Radius atom
ora Sumadhiya
155.00 pm
30
kovalen Radius
260.00 pm
1
190.00 pm
18
Van der Waals Radius
348.00 pm
1
221.00 pm
22
Bobot atom
223.00 Amu
27
237.00 Amu
22
Volume atom
ora Sumadhiya
11.62 cm3 / mol
99+
Nomer atom jejer
Potensi Valence Electron
8.00 (-eV)
99+
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
1.87 g / cm 3
99+
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
paramagnetic
paramagnetic
Properties Listrik
Property Listrik
Arman miskin
Arman
resistivity
3.00 nΩ · m
99+
1.22 nΩ · m
99+
konduktivitas listrik
0.03 10 6 / cm Ω
40
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
15.00 W / m · K
99+
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+
Enthalpy saka atomization
71.00 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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