Symbol
Fr
Panggil Group
1
Rank: 17 (Overall)
0
17
👆🏻
Panggil periode
7
Rank: 1 (Overall)
2
7
👆🏻
Block
s pemblokiran
Family unsur
alkali
CAS Number
7440735
Rank: 18 (Overall)
7429905
54386242
👆🏻
Jeneng papan Group
-
Space Group Number
225.00
Rank: 3 (Overall)
11
276
👆🏻
Facts Interesting
- 223 Francium wis setengah urip paling dawa ing 21,8.
- Metal Francium diprodhuksi dening ALPHA bosok ing 227 Actinium 227.
sumber
Kawangun dening Process Bosok, Mining
History
sing katutup
Marguerite Perey
Discovery
ing taun 1939
turah mbrawah
Turah mbrawah Ing Universe
0.00 %
Rank: 40 (Overall)
0
0.11
👆🏻
Turah mbrawah Ing Sun
0.00 %
Rank: 30 (Overall)
0
0.1
👆🏻
Turah mbrawah Ing meteorit
0.00 %
Rank: 54 (Overall)
0
22
👆🏻
Turah mbrawah Ing bumi lemah ndhuwur
0.00 %
Rank: 60 (Overall)
1E-37
8.1
👆🏻
Turah mbrawah Ing Segara
-
0
1.1
👆🏻
Turah mbrawah Ing Manungsa
0.00 %
Rank: 24 (Overall)
0
1.4
👆🏻
Ulah lan Wuku
- Francium ora wis dikenal Efesus minangka wis urip setengah saka mung 22 menit.
Ulah Industrial
-
Ulah Medical
-
Ulah liyane
-
Properties biologi
keracunan
-
Saiki ing badan Human
Ora
Sang
0.00 Sang / mg dm-3
Rank: 40 (Overall)
0
1970
👆🏻
ing Bone
0.00 ppm
Rank: 41 (Overall)
0
170000
👆🏻
leleh Point
27.00 ° C
Rank: 81 (Overall)
-38.83
3410
👆🏻
Boiling Point
677.00 ° C
Rank: 78 (Overall)
0
5660
👆🏻
katon
State fisik
Solid
warna
-
luster
-
atose
Mohs atose
0.20
Rank: 27 (Overall)
0.2
8.5
👆🏻
Brinell atose
119.00 MPa
Rank: 59 (Overall)
0.14
3490
👆🏻
Vickers atose
300.00 MPa
Rank: 46 (Overall)
0
3920
👆🏻
Kacepetan swara
2,440.00 m / s
Rank: 54 (Overall)
818
16200
👆🏻
Properties Optical
bias Index
1.70
Rank: 27 (Overall)
0.155
3.41
👆🏻
reflectivity
72.00 %
Rank: 11 (Overall)
5
97
👆🏻
allotropes
Ora
α allotropes
-
β allotropes
-
γ allotropes
-
Formula Kimia
Fr
isotop
Isotop dikenal
33
Rank: 6 (Overall)
0
38
👆🏻
keelektronegatifan
Pauling Elektronegativitas
0.70
Rank: 54 (Overall)
0
2.6
👆🏻
Sanderson Elektronegativitas
0.70
Rank: 47 (Overall)
0.22
2.56
👆🏻
Allred Rochow Elektronegativitas
0.86
Rank: 42 (Overall)
0.86
1.9
👆🏻
Mulliken-Jaffe Elektronegativitas
0.68
Rank: 54 (Overall)
0.62
2.48
👆🏻
Allen Elektronegativitas
0.67
Rank: 67 (Overall)
0.659
2.7
👆🏻
Electropositivity
Pauling Electropositivity
3.30
Rank: 1 (Overall)
1.46
3.3
👆🏻
tenogo ionisasi
Level Energy 1st
380.00 kJ / mol
Rank: 89 (Overall)
375.7
26130
👆🏻
Level Energy 2
392.80 kJ / mol
Rank: 85 (Overall)
392.8
28750
👆🏻
Level Energy 3rd
392.80 kJ / mol
Rank: 91 (Overall)
392.8
34230
👆🏻
Level Energy 4
392.80 kJ / mol
Rank: 86 (Overall)
375.7
37066
👆🏻
Level Energy 5th
392.00 kJ / mol
Rank: 88 (Overall)
392
97510
👆🏻
Level Energy 6th
3,920.00 kJ / mol
Rank: 88 (Overall)
1007
105800
👆🏻
tingkat Energy 7
3,920.00 kJ / mol
Rank: 81 (Overall)
1007
114300
👆🏻
Level Energy 8
3,920.00 kJ / mol
Rank: 80 (Overall)
730
125300
👆🏻
Level Energy 9
3,920.00 kJ / mol
Rank: 82 (Overall)
1007
134700
👆🏻
Level Energy 10th
392.00 kJ / mol
Rank: 81 (Overall)
392
144300
👆🏻
Level Energy 11
392.00 kJ / mol
Rank: 88 (Overall)
392
169988
👆🏻
Level Energy 12
38,000.00 kJ / mol
Rank: 23 (Overall)
0
189368
👆🏻
Level Energy 13
3,920.00 kJ / mol
Rank: 80 (Overall)
1007
76015
👆🏻
Level Energy 14
380.00 kJ / mol
Rank: 91 (Overall)
380
86450
👆🏻
Level Energy 15
67,700.00 kJ / mol
Rank: 32 (Overall)
33000
100700
👆🏻
Level Energy 16
39,200.00 kJ / mol
Rank: 66 (Overall)
375.7
109480
👆🏻
Level Energy 17
392.00 kJ / mol
Rank: 91 (Overall)
375.7
122200
👆🏻
Level Energy 18
3,920.00 kJ / mol
Rank: 78 (Overall)
0
134810
👆🏻
Level Energy 19
392.80 kJ / mol
Rank: 91 (Overall)
375.7
148700
👆🏻
Level Energy 20
392.00 kJ / mol
Rank: 81 (Overall)
0
171200
👆🏻
Level Energy 21
392.00 kJ / mol
Rank: 90 (Overall)
375.7
179100
👆🏻
Level Energy 22
392.00 kJ / mol
Rank: 75 (Overall)
330
184900
👆🏻
Level Energy 23rd
392.80 kJ / mol
Rank: 86 (Overall)
357.6
198800
👆🏻
Level Energy 24
392.00 kJ / mol
Rank: 87 (Overall)
297.3
195200
👆🏻
Level Energy 25th
392.00 kJ / mol
Rank: 79 (Overall)
0
121900
👆🏻
Level Energy 26th
392.80 kJ / mol
Rank: 87 (Overall)
357.6
127700
👆🏻
Level Energy 27th
392.00 kJ / mol
Rank: 83 (Overall)
0
133800
👆🏻
Level Energy 28th
380.00 kJ / mol
Rank: 86 (Overall)
297.3
139800
👆🏻
Level Energy 29
392.00 kJ / mol
Rank: 88 (Overall)
0
148100
👆🏻
Level Energy 30
677.00 kJ / mol
Rank: 31 (Overall)
0
154500
👆🏻
padha karo elektrokimia
8.32 g / amp-day
Rank: 1 (Overall)
0.16812
8.3209
👆🏻
Fungsi Work elektron
4.07 eV
Rank: 33 (Overall)
2.14
6
👆🏻
Properties Kimia liyane
ionisasi, Isotop radioaktif, Radioaktif, kelarutan
Panggil atom
87
Rank: 31 (Overall)
3
117
👆🏻
Konfigurasi elektron
[Rn] 7s 1
Struktur Crystal
Body tengah kubik (Bcc)
Crystal pola
atom
Jumlah proton
87
Rank: 31 (Overall)
3
117
👆🏻
Jumlah Neutron
136
Rank: 18 (Overall)
4
285
👆🏻
Jumlah Èlèktron
87
Rank: 31 (Overall)
3
117
👆🏻
Radius saka Atom
Radius atom
348.00 pm
Rank: 1 (Overall)
0
348
👆🏻
kovalen Radius
260.00 pm
Rank: 1 (Overall)
0
260
👆🏻
Van der Waals Radius
348.00 pm
Rank: 1 (Overall)
0
348
👆🏻
Bobot atom
223.00 Amu
Rank: 27 (Overall)
6.94
294
👆🏻
Volume atom
71.00 cm3 / mol
Rank: 2 (Overall)
1.39
71.07
👆🏻
Nomer atom jejer
unsur Previous
Sabanjure unsur
Potensi Valence Electron
8.00 (-eV)
Rank: 72 (Overall)
0
392.42
👆🏻
Constant pola
440.00 pm
Rank: 21 (Overall)
0
891.25
👆🏻
pola Angles
-
Pola C / A rasio
1.56
Rank: 44 (Overall)
0.423
1.9
👆🏻
Kapadhetan
Kapadhetan Ing suhu kamar
1.87 g / cm 3
Rank: 82 (Overall)
0.534
40.7
👆🏻
Kapadhetan Nalika Liquid (ing mp)
1.87 g / cm3
Rank: 82 (Overall)
0.512
41
👆🏻
Strength tensile
50.00 MPa
Rank: 38 (Overall)
0.1
11000
👆🏻
viskositas
0.00
Rank: 25 (Overall)
1.5E-05
0.0035
👆🏻
meksa beluk
Meksa beluk ing 1000 K
0.00 (Pa)
Rank: 37 (Overall)
0
121
👆🏻
Meksa beluk ing 2000 K
0.00 (Pa)
Rank: 24 (Overall)
0
774
👆🏻
situs kelenturan
nyukur pengaturan
3.60 GPA
Rank: 62 (Overall)
1.3
222
👆🏻
pengaturan akeh
6.00 GPA
Rank: 63 (Overall)
0
462
👆🏻
Young kang pengaturan
0.00 GPA
Rank: 74 (Overall)
0
528
👆🏻
Poisson rasio
0.44
Rank: 3 (Overall)
0.032
0.47
👆🏻
Properties Teknik liyane
-
Ciri Magnetic
Gravitasi tartamtu
0.87
Rank: 85 (Overall)
0.53
4500
👆🏻
Nindakake Magnetic
paramagnetic
permeabilitas
0.00 H / m
Rank: 13 (Overall)
1.25643E-06
0.0063
👆🏻
kelemahan
0.00
Rank: 24 (Overall)
-0.000166
200000
👆🏻
Properties Listrik
Property Listrik
Arman miskin
resistivity
3.00 nΩ · m
Rank: 64 (Overall)
0.1
961
👆🏻
konduktivitas listrik
0.03 10 6 / cm Ω
Rank: 45 (Overall)
0
0.63
👆🏻
elektron Affinity
0.70 kJ / mol
Rank: 47 (Overall)
0
222.8
👆🏻
Kalor tartamtu
0.15 J / (kg K)
Rank: 37 (Overall)
0.1
3.6
👆🏻
Graham Kapasitas kalor
27.00 J / mol · K
Rank: 29 (Overall)
13.1
62.7
👆🏻
doyo termal
15.00 W / m · K
Rank: 55 (Overall)
0
429
👆🏻
suhu kritis
300.00 K
Rank: 77 (Overall)
26.3
3695
👆🏻
Expansion termal
18.90 μm / (m · K)
Rank: 25 (Overall)
4.5
97
👆🏻
enthalpy
Enthalpy panguapan
67.00 kJ / mol
Rank: 83 (Overall)
7.32
799.1
👆🏻
Enthalpy saka Fusion
2.30 kJ / mol
Rank: 68 (Overall)
2.1
35.23
👆🏻
Enthalpy saka atomization
71.00 kJ / mol
Rank: 73 (Overall)
61.5
837
👆🏻
Standard molar Entropy
42.00 J / mol.K
Rank: 49 (Overall)
9.5
198.1
👆🏻