Fransium

Fransium (Fr)

chemical element with symbol Fr and atomic number 87
Atomic Number87
Atomic Weight223
Nombor jisim197
Group1
Period7
Blocks
proton87 p+
neutron110 n0
Elektron87 e-
Animated Model Bohr of Fr (Fransium)

Sifat Fizikal

Jejari Atom
molar volume
Jejari kovalen
Metallic Radius
ionic radius
Crystal Radius
Jejari van der Waals
ketumpatan

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
ionization energy of Fr (Fransium)
Entalpi pengewapan
entalpi pelakuran
standard enthalpy of formation
Elektron
Petala elektron2, 8, 18, 32, 18, 8, 1
Model Bohr: Fr (Fransium)
Elektron valens1
Teori ion Lewis: Fr (Fransium)
tatarajah elektron[Rn] 7s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s1
Enhanced Model Bohr of Fr (Fransium)
Orbital Diagram of Fr (Fransium)
Keadaan pengoksidaan1
Keelektronegatifan
0.7
Electrophilicity Index
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
rupa
warna
Silver
rupa
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
type
Kekonduksian elektrik
Kerintangan dan kekonduksian elektrik
Kesuperkonduksian
kemagnetan
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal Structure (BCC)
lattice constant
Lattice Angles
mechanical property
hardness
Modulus pukal
shear modulus
Young's modulus
Nisbah Poisson
Kelajuan bunyi
pengelasan
CategoryAlkali metals, Alkali metals
CAS GroupIA
IUPAC GroupIA
Glawe Number7
Mendeleev Number6
Pettifor Number7
Geochemical ClassU/Th decay series
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
Neutron Mass Absorption
Nombor kuantum2S1/2
space group ()

Isotopes of Francium

Stable Isotopes0
Unstable Isotopes37
Natural Isotopes0

197Fr

Nombor jisim197
nombor neutron110
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.3 ± 1.9 ms
Spin7/2
nuclear quadrupole moment
tarikh penemuan2013
parity-

decay modeKeamatan (fizik)
α (α emission)100%

198Fr

Nombor jisim198
nombor neutron111
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
15 ± 3 ms
Spin3
nuclear quadrupole moment
tarikh penemuan2013
parity+

decay modeKeamatan (fizik)
α (α emission)100%

199Fr

Nombor jisim199
nombor neutron112
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
6.6 ± 2.2 ms
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1999
parity+

decay modeKeamatan (fizik)
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

200Fr

Nombor jisim200
nombor neutron113
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
47.5 ± 2.8 ms
Spin3
nuclear quadrupole moment
tarikh penemuan1995
parity+

decay modeKeamatan (fizik)
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)
β+ SF (β+-delayed fission)

201Fr

Nombor jisim201
nombor neutron114
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
62.8 ± 1.9 ms
Spin9/2
nuclear quadrupole moment
tarikh penemuan1980
parity-

decay modeKeamatan (fizik)
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

202Fr

Nombor jisim202
nombor neutron115
Jisim Atom Relatif
g-factor
1.3 ± 0.016666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
372 ± 12 ms
Spin3
nuclear quadrupole moment
tarikh penemuan1980
parity+

decay modeKeamatan (fizik)
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

203Fr

Nombor jisim203
nombor neutron116
Jisim Atom Relatif
g-factor
0.83111111111111 ± 0.0088888888888889
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
550 ± 10 ms
Spin9/2
nuclear quadrupole moment
-0.47 ± 0.02
tarikh penemuan1967
parity-

decay modeKeamatan (fizik)
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

204Fr

Nombor jisim204
nombor neutron117
Jisim Atom Relatif
g-factor
1.33 ± 0.01
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.75 ± 0.26 s
Spin3
nuclear quadrupole moment
-0.141 ± 0.009
tarikh penemuan1964
parity+

decay modeKeamatan (fizik)
α (α emission)96%
β+ (β+ decay; β+ = ϵ + e+)

205Fr

Nombor jisim205
nombor neutron118
Jisim Atom Relatif
g-factor
0.84444444444444 ± 0.0066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.9 ± 0.07 s
Spin9/2
nuclear quadrupole moment
-0.305 ± 0.018
tarikh penemuan1964
parity-

decay modeKeamatan (fizik)
α (α emission)98.5%
β+ (β+ decay; β+ = ϵ + e+)1.5%

206Fr

Nombor jisim206
nombor neutron119
Jisim Atom Relatif
g-factor
1.3233333333333 ± 0.016666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3
nuclear quadrupole moment
-0.354 ± 0.009
tarikh penemuan1964
parity+

decay modeKeamatan (fizik)
α (α emission)88.4%
β+ (β+ decay; β+ = ϵ + e+)11.6%

207Fr

Nombor jisim207
nombor neutron120
Jisim Atom Relatif
g-factor
0.86 ± 0.0088888888888889
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
14.8 ± 0.1 s
Spin9/2
nuclear quadrupole moment
-0.24 ± 0.02
tarikh penemuan1964
parity-

decay modeKeamatan (fizik)
α (α emission)95%
β+ (β+ decay; β+ = ϵ + e+)

208Fr

Nombor jisim208
nombor neutron121
Jisim Atom Relatif
g-factor
0.67285714285714 ± 0.0057142857142857
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
59.1 ± 0.3 s
Spin7
nuclear quadrupole moment
0.052 ± 0.011
tarikh penemuan1964
parity+

decay modeKeamatan (fizik)
α (α emission)89%
β+ (β+ decay; β+ = ϵ + e+)11%

209Fr

Nombor jisim209
nombor neutron122
Jisim Atom Relatif
g-factor
0.87333333333333 ± 0.011111111111111
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
50.5 ± 0.7 s
Spin9/2
nuclear quadrupole moment
-0.26 ± 0.02
tarikh penemuan1964
parity-

decay modeKeamatan (fizik)
α (α emission)89%
β+ (β+ decay; β+ = ϵ + e+)11%

210Fr

Nombor jisim210
nombor neutron123
Jisim Atom Relatif
g-factor
0.73 ± 0.0083333333333333
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.18 ± 0.06 m
Spin6
nuclear quadrupole moment
0.21 ± 0.02
tarikh penemuan1964
parity+

decay modeKeamatan (fizik)
α (α emission)71%
β+ (β+ decay; β+ = ϵ + e+)

211Fr

Nombor jisim211
nombor neutron124
Jisim Atom Relatif
g-factor
0.88222222222222 ± 0.011111111111111
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.1 ± 0.02 m
Spin9/2
nuclear quadrupole moment
-0.21 ± 0.02
tarikh penemuan1964
parity-

decay modeKeamatan (fizik)
α (α emission)87%
β+ (β+ decay; β+ = ϵ + e+)13%

212Fr

Nombor jisim212
nombor neutron125
Jisim Atom Relatif
g-factor
0.918 ± 0.01
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
20 ± 0.6 m
Spin5
nuclear quadrupole moment
-0.1 ± 0.002
tarikh penemuan1950
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)57%
α (α emission)43%

213Fr

Nombor jisim213
nombor neutron126
Jisim Atom Relatif
g-factor
0.88666666666667 ± 0.0022222222222222
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
34.14 ± 0.06 s
Spin9/2
nuclear quadrupole moment
-0.138 ± 0.003
tarikh penemuan1964
parity-

decay modeKeamatan (fizik)
α (α emission)99.44%
β+ (β+ decay; β+ = ϵ + e+)0.56%

214Fr

Nombor jisim214
nombor neutron127
Jisim Atom Relatif
g-factor
0.241 ± 0.016
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.51 ± 0.13 ms
Spin1
nuclear quadrupole moment
tarikh penemuan1967
parity-

decay modeKeamatan (fizik)
α (α emission)100%

215Fr

Nombor jisim215
nombor neutron128
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
90 ± 4 ns
Spin9/2
nuclear quadrupole moment
tarikh penemuan1970
parity-

decay modeKeamatan (fizik)
α (α emission)100%

216Fr

Nombor jisim216
nombor neutron129
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
700 ± 20 ns
Spin1
nuclear quadrupole moment
tarikh penemuan1970
parity-

decay modeKeamatan (fizik)
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)

217Fr

Nombor jisim217
nombor neutron130
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
22 ± 5 us
Spin9/2
nuclear quadrupole moment
tarikh penemuan1968
parity-

decay modeKeamatan (fizik)
α (α emission)100%

218Fr

Nombor jisim218
nombor neutron131
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.4 ± 0.5 ms
Spin1
nuclear quadrupole moment
tarikh penemuan1949
parity-

decay modeKeamatan (fizik)
α (α emission)100%

219Fr

Nombor jisim219
nombor neutron132
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
22.5 ± 1.7 ms
Spin9/2
nuclear quadrupole moment
-1.19 ± 0.02
tarikh penemuan1948
parity-

decay modeKeamatan (fizik)
α (α emission)100%

220Fr

Nombor jisim220
nombor neutron133
Jisim Atom Relatif
g-factor
-0.66 ± 0.01
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
27.4 ± 0.3 s
Spin1
nuclear quadrupole moment
0.487 ± 0.008
tarikh penemuan1948
parity+

decay modeKeamatan (fizik)
α (α emission)100%
β (β decay)0.35%

221Fr

Nombor jisim221
nombor neutron134
Jisim Atom Relatif
g-factor
0.628 ± 0.008
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.801 ± 0.005 m
Spin5/2
nuclear quadrupole moment
-1.02 ± 0.03
tarikh penemuan1947
parity-

decay modeKeamatan (fizik)
α (α emission)100%
β (β decay)0.0048%
14C8.8%

222Fr

Nombor jisim222
nombor neutron135
Jisim Atom Relatif
g-factor
0.315 ± 0.005
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
14.2 ± 0.3 m
Spin2
nuclear quadrupole moment
0.51 ± 0.04
tarikh penemuan1975
parity-

decay modeKeamatan (fizik)
β (β decay)100%

223Fr

Nombor jisim223
nombor neutron136
Jisim Atom Relatif
g-factor
0.77333333333333 ± 0.0066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
22 ± 0.07 m
Spin3/2
nuclear quadrupole moment
1.18 ± 0.02
tarikh penemuan1939
parity-

decay modeKeamatan (fizik)
β (β decay)100%
α (α emission)0.006%

224Fr

Nombor jisim224
nombor neutron137
Jisim Atom Relatif
g-factor
0.4 ± 0.01
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.33 ± 0.1 m
Spin1
nuclear quadrupole moment
0.523 ± 0.009
tarikh penemuan1969
parity-

decay modeKeamatan (fizik)
β (β decay)100%

225Fr

Nombor jisim225
nombor neutron138
Jisim Atom Relatif
g-factor
0.70666666666667 ± 0.0066666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.95 ± 0.14 m
Spin3/2
nuclear quadrupole moment
1.33 ± 0.02
tarikh penemuan1969
parity-

decay modeKeamatan (fizik)
β (β decay)100%

226Fr

Nombor jisim226
nombor neutron139
Jisim Atom Relatif
g-factor
0.0712 ± 0.0014
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
48.5 ± 0.7 s
Spin1
nuclear quadrupole moment
-1.37 ± 0.03
tarikh penemuan1969
parity-

decay modeKeamatan (fizik)
β (β decay)100%

227Fr

Nombor jisim227
nombor neutron140
Jisim Atom Relatif
g-factor
2.98 ± 0.04
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.47 ± 0.03 m
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1972
parity+

decay modeKeamatan (fizik)
β (β decay)100%

228Fr

Nombor jisim228
nombor neutron141
Jisim Atom Relatif
g-factor
-0.38 ± 0.005
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
38 ± 1 s
Spin2
nuclear quadrupole moment
2.41 ± 0.06
tarikh penemuan1972
parity-

decay modeKeamatan (fizik)
β (β decay)100%

229Fr

Nombor jisim229
nombor neutron142
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
50.2 ± 0.4 s
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1975
parity+

decay modeKeamatan (fizik)
β (β decay)100%

230Fr

Nombor jisim230
nombor neutron143
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
19.1 ± 0.5 s
Spin2
nuclear quadrupole moment
tarikh penemuan1987
parity+

decay modeKeamatan (fizik)
β (β decay)100%

231Fr

Nombor jisim231
nombor neutron144
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
17.6 ± 0.6 s
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1985
parity+

decay modeKeamatan (fizik)
β (β decay)100%

232Fr

Nombor jisim232
nombor neutron145
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.5 ± 0.6 s
Spin5
nuclear quadrupole moment
tarikh penemuan1990
parity

decay modeKeamatan (fizik)
β (β decay)100%
β SF (β-delayed fission)

233Fr

Nombor jisim233
nombor neutron146
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
900 ± 100 ms
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan2010
parity+

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)
Electron shell 087 francium

sejarah

penemu atau perekaMarguerite Derey
tempat penemuanFrance
tarikh penemuan1939
EtimologiNamed for France, the nation of its discovery.
sebutanFRAN-si-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
natural abundance (lautan)
natural abundance (Tubuh manusia)
0 %
natural abundance (Meteoroid)
natural abundance (Matahari)
Abundance in Universe
0 %

Nuclear Screening Constants