Francium mungsuh fermium
Tabel périodik
Symbol
Fr
Fm
Panggil Group
1
17
ora Sumadhiya
Panggil periode
7
7
Block
s pemblokiran
pemblokiran f
Family unsur
alkali
actinide
CAS Number
7440735
18
7440724
19
Jeneng papan Group
ora Sumadhiya
ora Sumadhiya
Space Group Number
ora Sumadhiya
ora Sumadhiya
facts
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
- metal Fermium punika Highly radioaktif ing alam.
- Fermium wis sintetik diprodhuksi logam.
sumber
Kawangun dening Process Bosok, Mining
Némbakaké Pu-239 karo Neutron
History
sing katutup
Marguerite Perey
Lawrence Berkeley National Laboratory
Discovery
ing taun 1939
ing taun 1952
turah mbrawah
ulah
Ulah lan Wuku
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
- Efesus saiki dikenal saka logam Fermium sing winates kanggo riset waé mung.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
NA
NA
Properties biologi
keracunan
NA
Unknown
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+
1,527.00 ° C
26
Boiling Point
677.00 ° C
99+
ora Sumadhiya
katon
State fisik
Solid
Solid
warna
NA
Unknown
luster
NA
ora ditetepake
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
Fm
isotop
Isotop dikenal
33
6
18
21
keelektronegatifan
Pauling Elektronegativitas
0.70
99+
1.30
32
Allred Rochow Elektronegativitas
0.86
99+
1.20
27
Mulliken-Jaffe Elektronegativitas
0.68
25
ora Sumadhiya
Allen Elektronegativitas
0.67
99+
ora Sumadhiya
Electropositivity
Pauling Electropositivity
3.30
1
2.70
22
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol
99+
627.00 kJ / mol
99+
Level Energy 2
ora Sumadhiya
1,225.00 kJ / mol
99+
Level Energy 3rd
ora Sumadhiya
2,363.00 kJ / mol
99+
Level Energy 4
ora Sumadhiya
3,792.00 kJ / mol
99+
padha karo elektrokimia
8.32 g / amp-day
1
3.20 g / amp-day
13
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
ionisasi, Isotop radioaktif, Radioaktif
atom Properties
Panggil atom
87
31
100
18
Konfigurasi elektron
[Rn] 7s 1
[Rn] 5F 12 7s 2
Struktur Crystal
Body tengah kubik (Bcc)
ora Lake
Crystal pola
BCC-Crystal-Structure-.jpg#100
Unknown-Crystal-Structure-of-Fermium.jpg#100
atom
Jumlah proton
87
31
100
18
Jumlah Neutron
136
17
157
7
Jumlah Èlèktron
87
31
100
18
Radius saka Atom
kovalen Radius
260.00 pm
1
ora Sumadhiya
Van der Waals Radius
348.00 pm
1
245.00 pm
9
Bobot atom
223.00 Amu
27
257.00 Amu
15
Volume atom
ora Sumadhiya
ora Sumadhiya
Nomer atom jejer
Potensi Valence Electron
8.00 (-eV)
99+
ora Sumadhiya
Constant pola
ora Sumadhiya
ora Sumadhiya
pola Angles
NA
NA
Pola C / A rasio
ora Sumadhiya
ora Sumadhiya
Teknik Properties
Kapadhetan
Kapadhetan Ing suhu kamar
1.87 g / cm 3
99+
ora Sumadhiya
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
ora Sumadhiya
ora Sumadhiya
Properties Teknik liyane
NA
NA
Magnetic Properties
Ciri Magnetic
Nindakake Magnetic
paramagnetic
Unknown
Properties Listrik
Property Listrik
Arman miskin
Unknown
resistivity
3.00 nΩ · m
99+
ora Sumadhiya
konduktivitas listrik
0.03 10 6 / cm Ω
40
ora Sumadhiya
termal Properties
Kalor tartamtu
ora Sumadhiya
ora Sumadhiya
Graham Kapasitas kalor
ora Sumadhiya
ora Sumadhiya
doyo termal
15.00 W / m · K
99+
ora Sumadhiya
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
ora Sumadhiya
enthalpy
Enthalpy saka atomization
71.00 kJ / mol
99+
ora Sumadhiya
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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