Полоний

Полоний (Po)

chemical element with symbol Po and atomic number 84
Atomic Number84
Atomic Weight209
Адади массавӣ186
Group16
Period6
Blockp
proton84 p+
neutron102 n0
electron84 e-
Animated Bohr model of Po (Полоний)

Хусусияти Физикӣ

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
зичӣ
9,2 g/cm³
Atomic Radii Of The Elements: Полоний0102030405060708090100110120130140150160170180190200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
ionization energy of Po (Полоний)
enthalpy of vaporization
102,9 kJ/mol
гармои гудозиш
standard enthalpy of formation
electron
Абри электронӣ2, 8, 18, 32, 18, 6
Bohr model: Po (Полоний)
valence electron6
Lewis structure: Po (Полоний)
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 (Полоний)
Orbital Diagram of Po (Полоний)
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
Ранг
Silver
appearancesilvery
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
навъConductor
electrical conductivity
2,3 MS/m
electrical resistivity
0,00000043 m Ω
superconductivity
magnetism
навъ
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
сохт
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
speed of sound
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
ададҳои квантӣ3P2
space group221 (Pm-3m)

Isotopes of Polonium

Stable Isotopes0
Unstable Isotopes42
Natural Isotopes0

186Po

Адади массавӣ186
neutron number102
relative atomic mass
186,004403174 ± 0,000019622 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
34 ± 12 us
spin0
nuclear quadrupole moment
0
таърихи кашф2005
parity+

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

187Po

Адади массавӣ187
neutron number103
relative atomic mass
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
таърихи кашф2005
parity-

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

188Po

Адади массавӣ188
neutron number104
relative atomic mass
187,999415586 ± 0,000021438 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
270 ± 30 us
spin0
nuclear quadrupole moment
0
таърихи кашф1999
parity+

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

189Po

Адади массавӣ189
neutron number105
relative atomic mass
188,998473425 ± 0,000023681 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,5 ± 0,5 ms
spin5/2
nuclear quadrupole moment
таърихи кашф1999
parity-

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

190Po

Адади массавӣ190
neutron number106
relative atomic mass
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
таърихи кашф1996
parity+

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

191Po

Адади массавӣ191
neutron number107
relative atomic mass
190,994558494 ± 0,000007624 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
22 ± 1 ms
spin3/2
nuclear quadrupole moment
таърихи кашф1993
parity-

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

192Po

Адади массавӣ192
neutron number108
relative atomic mass
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
таърихи кашф1977
parity+

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

193Po

Адади массавӣ193
neutron number109
relative atomic mass
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
таърихи кашф1967
parity-

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

194Po

Адади массавӣ194
neutron number110
relative atomic mass
193,988186058 ± 0,00001386 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
392 ± 4 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1967
parity+

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

195Po

Адади массавӣ195
neutron number111
relative atomic mass
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
таърихи кашф1967
parity-

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

196Po

Адади массавӣ196
neutron number112
relative atomic mass
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
таърихи кашф1967
parity+

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

197Po

Адади массавӣ197
neutron number113
relative atomic mass
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
таърихи кашф1965
parity-

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

198Po

Адади массавӣ198
neutron number114
relative atomic mass
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
таърихи кашф1965
parity+

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

199Po

Адади массавӣ199
neutron number115
relative atomic mass
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
таърихи кашф1965
parity-

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

200Po

Адади массавӣ200
neutron number116
relative atomic mass
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
таърихи кашф1951
parity+

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

201Po

Адади массавӣ201
neutron number117
relative atomic mass
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
таърихи кашф1951
parity-

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

202Po

Адади массавӣ202
neutron number118
relative atomic mass
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
таърихи кашф1951
parity+

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

203Po

Адади массавӣ203
neutron number119
relative atomic mass
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
таърихи кашф1951
parity-

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

204Po

Адади массавӣ204
neutron number120
relative atomic mass
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
таърихи кашф1951
parity+

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

205Po

Адади массавӣ205
neutron number121
relative atomic mass
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
таърихи кашф1951
parity-

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

206Po

Адади массавӣ206
neutron number122
relative atomic mass
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
таърихи кашф1947
parity+

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

207Po

Адади массавӣ207
neutron number123
relative atomic mass
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
таърихи кашф1947
parity-

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

208Po

Адади массавӣ208
neutron number124
relative atomic mass
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
таърихи кашф1947
parity+

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

209Po

Адади массавӣ209
neutron number125
relative atomic mass
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
таърихи кашф1949
parity-

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

210Po

Адади массавӣ210
neutron number126
relative atomic mass
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
таърихи кашф1898
parity+

decay modeintensity
α (α emission)100%

211Po

Адади массавӣ211
neutron number127
relative atomic mass
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
таърихи кашф1913
parity+

decay modeintensity
α (α emission)100%

212Po

Адади массавӣ212
neutron number128
relative atomic mass
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
таърихи кашф1906
parity+

decay modeintensity
α (α emission)100%

213Po

Адади массавӣ213
neutron number129
relative atomic mass
212,992857154 ± 0,000003277 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,705 ± 0,001 us
spin9/2
nuclear quadrupole moment
таърихи кашф1947
parity+

decay modeintensity
α (α emission)100%

214Po

Адади массавӣ214
neutron number130
relative atomic mass
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
таърихи кашф1912
parity+

decay modeintensity
α (α emission)100%

215Po

Адади массавӣ215
neutron number131
relative atomic mass
214,999418385 ± 0,000002276 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,781 ± 0,005 ms
spin9/2
nuclear quadrupole moment
таърихи кашф1911
parity+

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

216Po

Адади массавӣ216
neutron number132
relative atomic mass
216,001913416 ± 0,000001948 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
144 ± 0,6 ms
spin0
nuclear quadrupole moment
0
таърихи кашф1910
parity+

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

217Po

Адади массавӣ217
neutron number133
relative atomic mass
217,006316145 ± 0,000007025 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
1,53 ± 0,05 s
spin9/2
nuclear quadrupole moment
таърихи кашф1956
parity+

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

218Po

Адади массавӣ218
neutron number134
relative atomic mass
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
таърихи кашф1904
parity+

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

219Po

Адади массавӣ219
neutron number135
relative atomic mass
219,013614 ± 0,000017 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
10,3 ± 1 m
spin9/2
nuclear quadrupole moment
таърихи кашф1998
parity+

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

220Po

Адади массавӣ220
neutron number136
relative atomic mass
220,016386 ± 0,000019 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф1998
parity+

decay modeintensity
β (β decay)

221Po

Адади массавӣ221
neutron number137
relative atomic mass
221,021228 ± 0,000021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,2 ± 0,7 m
spin9/2
nuclear quadrupole moment
таърихи кашф2010
parity+

decay modeintensity
β (β decay)100%

222Po

Адади массавӣ222
neutron number138
relative atomic mass
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
таърихи кашф2010
parity+

decay modeintensity
β (β decay)100%

223Po

Адади массавӣ223
neutron number139
relative atomic mass
223,02907 ± 0,00021 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin11/2
nuclear quadrupole moment
таърихи кашф2010
parity+

decay modeintensity
β (β decay)

224Po

Адади массавӣ224
neutron number140
relative atomic mass
224,03211 ± 0,00021 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф2010
parity+

decay modeintensity
β (β decay)

225Po

Адади массавӣ225
neutron number141
relative atomic mass
225,037123 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
таърихи кашф2010
parity+

decay modeintensity
β (β decay)

226Po

Адади массавӣ226
neutron number142
relative atomic mass
226,04031 ± 0,00043 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
spin0
nuclear quadrupole moment
0
таърихи кашф2010
parity+

decay modeintensity
β (β decay)

227Po

Адади массавӣ227
neutron number143
relative atomic mass
227,04539 ± 0,00043 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
таърихи кашф2010
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

таърих

кошифPierre and Marie Curie
макони кашфFrance
таърихи кашф1898
РешашиносӣNamed for Poland, native country of Marie Curie.
pronunciationpeh-LOW-ni-em (Англисӣ)

source

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