Polonyûm

Polonyûm (Po)

chemical element with symbol Po and atomic number 84
Atomic Number84
Atomic Weight209
Hejmara baristeyî186
Group16
Period6
Blockp
Proton84 p+
Notron102 n0
Kareva84 e-
Animated Bohr model of Po (Polonyûm)

Physical Property

Atomic Radius
190 pm
molar volume
Covalent Radius
145 pm
Metallic Radius
ionic radius
94 pm
Crystal Radius
108 pm
Van der Waals radius
197 pm
density
9,2 g/cm³
Atomic Radii Of The Elements: Polonyûm020406080100120140160180200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
electron affinity
ionization energy
ionization energy of Po (Polonyûm)
enthalpy of vaporization
102,9 kJ/mol
enthalpy of fusion
standard enthalpy of formation
Kareva
electron shell2, 8, 18, 32, 18, 6
Bohr model: Po (Polonyûm)
valence electron6
Lewis structure: Po (Polonyûm)
electron configuration[Xe] 4f14 5d10 6s2 6p4
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d10 6s2 6p4
Enhanced Bohr model of Po (Polonyûm)
Orbital Diagram of Po (Polonyûm)
oxidation number-2, 2, 4, 5, 6
electronegativity
2
Electrophilicity Index
2,0413454866441514 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
1.235,15 K
Melting Point
527,15 K
critical pressure
critical temperature
triple point
appearance
color
Silver
appearancesilvery
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
2,3 MS/m
electrical resistivity
0,00000043 m Ω
superconductivity
magnetism
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureSimple Cubic (SC)
lattice constant
3,35 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
Leza dengê
classification
CategoryMetalloids, Metalloids
CAS GroupVIB
IUPAC GroupVIA
Glawe Number93
Mendeleev Number103
Pettifor Number91
Geochemical ClassU/Th decay series
Goldschmidt classificationsynthetic

other

Gas Basicity
polarizability
44 ± 4 a₀
C6 Dispersion Coefficient
allotropeAlpha Polonium, Beta Polonium
Neutron cross section
0,5
Neutron Mass Absorption
quantum number3P2
space group221 (Pm-3m)

Isotopes of Polonium

Stable Isotopes0
Unstable Isotopes42
Natural Isotopes0

186Po

Hejmara baristeyî186
neutron number102
Giraniya atomê
186,004403174 ± 0,000019622 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
34 ± 12 us
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2005
parity+

decay modeintensity
α (α emission)100%
p (proton emission)

187Po

Hejmara baristeyî187
neutron number103
Giraniya atomê
187,003031482 ± 0,00003503 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,4 ± 0,25 ms
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2005
parity-

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

188Po

Hejmara baristeyî188
neutron number104
Giraniya atomê
187,999415586 ± 0,000021438 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
270 ± 30 us
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1999
parity+

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

189Po

Hejmara baristeyî189
neutron number105
Giraniya atomê
188,998473425 ± 0,000023681 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,5 ± 0,5 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1999
parity-

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

190Po

Hejmara baristeyî190
neutron number106
Giraniya atomê
189,995101731 ± 0,000014131 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,45 ± 0,05 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1996
parity+

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

191Po

Hejmara baristeyî191
neutron number107
Giraniya atomê
190,994558494 ± 0,000007624 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
22 ± 1 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1993
parity-

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

192Po

Hejmara baristeyî192
neutron number108
Giraniya atomê
191,991340274 ± 0,000011416 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
32,2 ± 0,3 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1977
parity+

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

193Po

Hejmara baristeyî193
neutron number109
Giraniya atomê
192,991062421 ± 0,000015599 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
399 ± 34 ms
spin3/2
nuclear quadrupole moment
-1,3 ± 0,3
dema îcadkirinê yan keşfê1967
parity-

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

194Po

Hejmara baristeyî194
neutron number110
Giraniya atomê
193,988186058 ± 0,00001386 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
392 ± 4 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1967
parity+

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

195Po

Hejmara baristeyî195
neutron number111
Giraniya atomê
194,988065781 ± 0,000006486 Da
g-factor
-0,4 ± 0,026666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
4,64 ± 0,09 s
spin3/2
nuclear quadrupole moment
-0,9 ± 0,3
dema îcadkirinê yan keşfê1967
parity-

decay modeintensity
α (α emission)94%
β+ (β+ decay; β+ = ϵ + e+)

196Po

Hejmara baristeyî196
neutron number112
Giraniya atomê
195,985540722 ± 0,000005778 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
5,63 ± 0,07 s
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1967
parity+

decay modeintensity
α (α emission)94%
β+ (β+ decay; β+ = ϵ + e+)

197Po

Hejmara baristeyî197
neutron number113
Giraniya atomê
196,985621939 ± 0,000010585 Da
g-factor
-0,58666666666667 ± 0,046666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
53,6 ± 0,9 s
spin3/2
nuclear quadrupole moment
-0,4 ± 0,2
dema îcadkirinê yan keşfê1965
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)
α (α emission)44%

198Po

Hejmara baristeyî198
neutron number114
Giraniya atomê
197,983388753 ± 0,000018705 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
1,76 ± 0,024 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1965
parity+

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

199Po

Hejmara baristeyî199
neutron number115
Giraniya atomê
198,983640445 ± 0,000005828 Da
g-factor
-0,60666666666667 ± 0,046666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
5,47 ± 0,15 m
spin3/2
nuclear quadrupole moment
-0,27 ± 0,15
dema îcadkirinê yan keşfê1965
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)92.5%
α (α emission)7.5%

200Po

Hejmara baristeyî200
neutron number116
Giraniya atomê
199,981812355 ± 0,000008136 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
11,51 ± 0,08 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)88.9%
α (α emission)11.1%

201Po

Hejmara baristeyî201
neutron number117
Giraniya atomê
200,982263799 ± 0,000005305 Da
g-factor
-0,65333333333333 ± 0,046666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
15,6 ± 0,1 m
spin3/2
nuclear quadrupole moment
0,1 ± 0,1
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)98.87%
α (α emission)1.13%

202Po

Hejmara baristeyî202
neutron number118
Giraniya atomê
201,980738934 ± 0,000009307 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
44,6 ± 0,4 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)98.08%
α (α emission)1.92%

203Po

Hejmara baristeyî203
neutron number119
Giraniya atomê
202,981416072 ± 0,000004981 Da
g-factor
0,296 ± 0,02
natural abundance
radioactivity☢️ radioactive element
half-life
36,7 ± 0,5 m
spin5/2
nuclear quadrupole moment
0,17 ± 0,1
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.89%
α (α emission)0.11%

204Po

Hejmara baristeyî204
neutron number120
Giraniya atomê
203,980310078 ± 0,000010811 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,519 ± 0,012 h
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1951
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.33%
α (α emission)0.67%

205Po

Hejmara baristeyî205
neutron number121
Giraniya atomê
204,981190006 ± 0,000010798 Da
g-factor
0,304 ± 0,024
natural abundance
radioactivity☢️ radioactive element
half-life
1,74 ± 0,08 h
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)99.96%
α (α emission)0.04%

206Po

Hejmara baristeyî206
neutron number122
Giraniya atomê
205,980473662 ± 0,000004306 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
8,8 ± 0,1 d
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1947
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)94.55%
α (α emission)5.45%

207Po

Hejmara baristeyî207
neutron number123
Giraniya atomê
206,981593334 ± 0,000007148 Da
g-factor
0,316 ± 0,024
natural abundance
radioactivity☢️ radioactive element
half-life
5,8 ± 0,02 h
spin5/2
nuclear quadrupole moment
0,28 ± 0,03
dema îcadkirinê yan keşfê1947
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
α (α emission)0.021%

208Po

Hejmara baristeyî208
neutron number124
Giraniya atomê
207,981246035 ± 0,000001795 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
2,898 ± 0,002 y
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1947
parity+

decay modeintensity
α (α emission)100%
β+ (β+ decay; β+ = ϵ + e+)0.0042%

209Po

Hejmara baristeyî209
neutron number125
Giraniya atomê
208,982430361 ± 0,000001909 Da
g-factor
1,36 ± 0,16
natural abundance
radioactivity☢️ radioactive element
half-life
124 ± 3 y
spin1/2
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1949
parity-

decay modeintensity
α (α emission)99.546%
β+ (β+ decay; β+ = ϵ + e+)0.454%

210Po

Hejmara baristeyî210
neutron number126
Giraniya atomê
209,982873686 ± 0,00000123 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
138,376 ± 0,002 d
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1898
parity+

decay modeintensity
α (α emission)100%

211Po

Hejmara baristeyî211
neutron number127
Giraniya atomê
210,986653171 ± 0,000001347 Da
g-factor
-0,26666666666667 ± 0,017777777777778
natural abundance
radioactivity☢️ radioactive element
half-life
516 ± 3 ms
spin9/2
nuclear quadrupole moment
-0,77 ± 0,15
dema îcadkirinê yan keşfê1913
parity+

decay modeintensity
α (α emission)100%

212Po

Hejmara baristeyî212
neutron number128
Giraniya atomê
211,988867982 ± 0,000001237 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
294,4 ± 0,8 ns
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1906
parity+

decay modeintensity
α (α emission)100%

213Po

Hejmara baristeyî213
neutron number129
Giraniya atomê
212,992857154 ± 0,000003277 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,705 ± 0,001 us
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1947
parity+

decay modeintensity
α (α emission)100%

214Po

Hejmara baristeyî214
neutron number130
Giraniya atomê
213,995201287 ± 0,000001556 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
163,47 ± 0,03 us
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1912
parity+

decay modeintensity
α (α emission)100%

215Po

Hejmara baristeyî215
neutron number131
Giraniya atomê
214,999418385 ± 0,000002276 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,781 ± 0,005 ms
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1911
parity+

decay modeintensity
α (α emission)100%
β (β decay)2.3%

216Po

Hejmara baristeyî216
neutron number132
Giraniya atomê
216,001913416 ± 0,000001948 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
144 ± 0,6 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1910
parity+

decay modeintensity
α (α emission)100%
(double β decay)

217Po

Hejmara baristeyî217
neutron number133
Giraniya atomê
217,006316145 ± 0,000007025 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,53 ± 0,05 s
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1956
parity+

decay modeintensity
α (α emission)97.5%
β (β decay)2.5%

218Po

Hejmara baristeyî218
neutron number134
Giraniya atomê
218,008971234 ± 0,000002112 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
3,097 ± 0,012 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1904
parity+

decay modeintensity
α (α emission)99.98%
β (β decay)0.02%

219Po

Hejmara baristeyî219
neutron number135
Giraniya atomê
219,013614 ± 0,000017 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
10,3 ± 1 m
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1998
parity+

decay modeintensity
β (β decay)71.8%
α (α emission)28.2%

220Po

Hejmara baristeyî220
neutron number136
Giraniya atomê
220,016386 ± 0,000019 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1998
parity+

decay modeintensity
β (β decay)

221Po

Hejmara baristeyî221
neutron number137
Giraniya atomê
221,021228 ± 0,000021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,2 ± 0,7 m
spin9/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)100%

222Po

Hejmara baristeyî222
neutron number138
Giraniya atomê
222,02414 ± 0,000043 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
9,1 ± 7,2 m
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)100%

223Po

Hejmara baristeyî223
neutron number139
Giraniya atomê
223,02907 ± 0,00021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin11/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)

224Po

Hejmara baristeyî224
neutron number140
Giraniya atomê
224,03211 ± 0,00021 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)

225Po

Hejmara baristeyî225
neutron number141
Giraniya atomê
225,037123 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)

226Po

Hejmara baristeyî226
neutron number142
Giraniya atomê
226,04031 ± 0,00043 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)

227Po

Hejmara baristeyî227
neutron number143
Giraniya atomê
227,04539 ± 0,00043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê2010
parity+

decay modeintensity
β (β decay)
2019-11-22 Spark plugs and static eliminators with radioactive polonium at museum display
671067N
Electron shell 084 polonium
Polonium spectrum visible

dîrok

kaşîf an îcadkerPierre and Marie Curie
location of discoveryFrance
dema îcadkirinê yan keşfê1898
BêjenasîNamed for Poland, native country of Marie Curie.
pronunciationpeh-LOW-ni-em (îngilîzî)

source

Abundance
Abundance in Earth's crust
0,0000000002 mg/kg
natural abundance (Okyanûs)
0,000000000000015 mg/L
natural abundance (human body)
0 %
natural abundance (meteoroid)
natural abundance (Roj)
Abundance in Universe
0 %

Nuclear Screening Constants

1s1.6232
2p4.5428
2s22.0782
3d13.428
3p23.2851
3s24.3813
4d36.3328
4f37.8416
4p36.3328
4s35.4784
5d58.696
5p53.9755
5s51.977
6p69.7794
6s67.6692