Lawrencium mungsuh Francium
Tabel périodik
Symbol
Lr
Fr
Panggil Group
ora Sumadhiya
1
17
Panggil periode
7
7
Block
d block
s pemblokiran
Family unsur
actinide
alkali
CAS Number
22537195
15
7440735
18
Jeneng papan Group
ora Sumadhiya
ora Sumadhiya
Space Group Number
ora Sumadhiya
ora Sumadhiya
facts
Facts Interesting
- Punika sacara sintesis diprodhuksi logam.
- resiko radiation bisa gawé dening iku.
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
sumber
Némbakaké californium-252 karo Boron inti, Found in Minerals, Mining
Kawangun dening Process Bosok, Mining
History
sing katutup
Lawrence Berkeley National Laboratory and Joint Institute for Nuclear Research
Marguerite Perey
Discovery
ing 1961-1971
ing taun 1939
turah mbrawah
ulah
Ulah lan Wuku
- Efesus saiki dikenal saka logam Lawrencium sing winates kanggo riset waé mung.
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
Ulah Industrial
NA
NA
Ulah Medical
NA
NA
Ulah liyane
NA
NA
Properties biologi
keracunan
Unknown
NA
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
1,627.00 ° C
20
27.00 ° C
99+
Boiling Point
ora Sumadhiya
677.00 ° C
99+
katon
State fisik
Solid
Solid
warna
Silver
NA
luster
Unknown Luster
NA
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
Lr
Fr
isotop
Isotop dikenal
10
28
33
6
keelektronegatifan
Pauling Elektronegativitas
ora Sumadhiya
0.70
99+
Allred Rochow Elektronegativitas
ora Sumadhiya
0.86
99+
Mulliken-Jaffe Elektronegativitas
ora Sumadhiya
0.68
25
Allen Elektronegativitas
ora Sumadhiya
0.67
99+
Electropositivity
Pauling Electropositivity
ora Sumadhiya
3.30
1
tenogo ionisasi
Level Energy 1st
470.00 kJ / mol
99+
380.00 kJ / mol
99+
Level Energy 2
1,428.00 kJ / mol
99+
ora Sumadhiya
Level Energy 3rd
2,228.00 kJ / mol
99+
ora Sumadhiya
Level Energy 4
4,910.00 kJ / mol
21
ora Sumadhiya
padha karo elektrokimia
3.23 g / amp-day
11
8.32 g / amp-day
1
Fungsi Work elektron
ora Sumadhiya
ora Sumadhiya
Properties Kimia liyane
ionisasi, Isotop radioaktif
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
atom Properties
Panggil atom
103
15
87
31
Konfigurasi elektron
[Rn] 5F 14 7s 2 7p 1
[Rn] 7s 1
Struktur Crystal
Hexagonal Tutup dikempalken (HCP)
Body tengah kubik (Bcc)
Crystal pola
BCC-Crystal-Structure-.jpg#100
BCC-Crystal-Structure-.jpg#100
atom
Jumlah proton
103
15
87
31
Jumlah Neutron
157
7
136
17
Jumlah Èlèktron
103
15
87
31
Radius saka Atom
kovalen Radius
ora Sumadhiya
260.00 pm
1
Van der Waals Radius
246.00 pm
8
348.00 pm
1
Bobot atom
266.00 Amu
12
223.00 Amu
27
Volume atom
ora Sumadhiya
ora Sumadhiya
Nomer atom jejer
Potensi Valence Electron
ora Sumadhiya
8.00 (-eV)
99+
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
ora Sumadhiya
1.87 g / cm 3
99+
Strength tensile
ora Sumadhiya
ora Sumadhiya
viskositas
ora Sumadhiya
ora Sumadhiya
meksa beluk
situs kelenturan
Poisson rasio
0.32
12
ora Sumadhiya
Properties Teknik liyane
Unknown
NA
Magnetic Properties
Ciri Magnetic
Nindakake Magnetic
Unknown
paramagnetic
Properties Listrik
Property Listrik
Unknown
Arman miskin
resistivity
ora Sumadhiya
3.00 nΩ · m
99+
konduktivitas listrik
ora Sumadhiya
0.03 10 6 / cm Ω
40
termal Properties
Kalor tartamtu
ora Sumadhiya
ora Sumadhiya
Graham Kapasitas kalor
ora Sumadhiya
ora Sumadhiya
doyo termal
ora Sumadhiya
15.00 W / m · K
99+
suhu kritis
ora Sumadhiya
ora Sumadhiya
Expansion termal
ora Sumadhiya
ora Sumadhiya
enthalpy
Enthalpy saka atomization
ora Sumadhiya
71.00 kJ / mol
99+
Standard molar Entropy
ora Sumadhiya
ora Sumadhiya
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