Polonium

Polonium (Po)

chemical element with symbol Po and atomic number 84
Atomic Number84
Atomic Weight209
Numri i masës186
Group16
Period6
Blockp
protoni84 p+
neutroni102 n0
elektroni84 e-
Animated Bohr model of Po (Polonium)

Tipar Fizik

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: Polonium020406080100120140160180200pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energjia
proton affinity
electron affinity
ionization energy
ionization energy of Po (Polonium)
enthalpy of vaporization
102,9 kJ/mol
enthalpy of fusion
standard enthalpy of formation
elektroni
electron shell2, 8, 18, 32, 18, 6
Bohr model: Po (Polonium)
valence electron6
Lewis structure: Po (Polonium)
konfigurimi i elektronit[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 (Polonium)
Orbital Diagram of Po (Polonium)
oxidation number-2, 2, 4, 5, 6
Elektronegativiteti
2
Electrophilicity Index
2,0413454866441514 eV/particle
fundamental state of matter
gjendja agregate e materiesSolid
gaseous state of matter
Boiling Point
1 235,15 K
Melting Point
527,15 K
critical pressure
critical temperature
triple point
appearance
Ngjyra
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
Superpërcjellshmëria
Magnetizimi
type
magnetic susceptibility (Mass)
magnetic susceptibility (Molar)
magnetic susceptibility (Volume)
magnetic ordering
Curie temperature
Néel temperature
strukturë
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
Shpejtësia e zërit
klasifikim
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
numër kuantik3P2
space group221 (Pm-3m)

Isotopes of Polonium

Stable Isotopes0
Unstable Isotopes42
Natural Isotopes0

186Po

Numri i masës186
numri i neutroneve102
relative atomic mass
186,004403174 ± 0,000019622 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
34 ± 12 us
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2005
parity+

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

187Po

Numri i masës187
numri i neutroneve103
relative atomic mass
187,003031482 ± 0,00003503 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,4 ± 0,25 ms
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2005
parity-

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

188Po

Numri i masës188
numri i neutroneve104
relative atomic mass
187,999415586 ± 0,000021438 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
270 ± 30 us
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1999
parity+

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

189Po

Numri i masës189
numri i neutroneve105
relative atomic mass
188,998473425 ± 0,000023681 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,5 ± 0,5 ms
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1999
parity-

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

190Po

Numri i masës190
numri i neutroneve106
relative atomic mass
189,995101731 ± 0,000014131 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,45 ± 0,05 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1996
parity+

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

191Po

Numri i masës191
numri i neutroneve107
relative atomic mass
190,994558494 ± 0,000007624 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
22 ± 1 ms
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1993
parity-

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

192Po

Numri i masës192
numri i neutroneve108
relative atomic mass
191,991340274 ± 0,000011416 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
32,2 ± 0,3 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1977
parity+

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

193Po

Numri i masës193
numri i neutroneve109
relative atomic mass
192,991062421 ± 0,000015599 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
399 ± 34 ms
Spini3/2
nuclear quadrupole moment
-1,3 ± 0,3
koha e zbulimit apo shpikjes1967
parity-

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

194Po

Numri i masës194
numri i neutroneve110
relative atomic mass
193,988186058 ± 0,00001386 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
392 ± 4 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

195Po

Numri i masës195
numri i neutroneve111
relative atomic mass
194,988065781 ± 0,000006486 Da
g-factor
-0,4 ± 0,026666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
4,64 ± 0,09 s
Spini3/2
nuclear quadrupole moment
-0,9 ± 0,3
koha e zbulimit apo shpikjes1967
parity-

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

196Po

Numri i masës196
numri i neutroneve112
relative atomic mass
195,985540722 ± 0,000005778 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,63 ± 0,07 s
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1967
parity+

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

197Po

Numri i masës197
numri i neutroneve113
relative atomic mass
196,985621939 ± 0,000010585 Da
g-factor
-0,58666666666667 ± 0,046666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
53,6 ± 0,9 s
Spini3/2
nuclear quadrupole moment
-0,4 ± 0,2
koha e zbulimit apo shpikjes1965
parity-

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

198Po

Numri i masës198
numri i neutroneve114
relative atomic mass
197,983388753 ± 0,000018705 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,76 ± 0,024 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1965
parity+

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

199Po

Numri i masës199
numri i neutroneve115
relative atomic mass
198,983640445 ± 0,000005828 Da
g-factor
-0,60666666666667 ± 0,046666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,47 ± 0,15 m
Spini3/2
nuclear quadrupole moment
-0,27 ± 0,15
koha e zbulimit apo shpikjes1965
parity-

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

200Po

Numri i masës200
numri i neutroneve116
relative atomic mass
199,981812355 ± 0,000008136 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
11,51 ± 0,08 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1951
parity+

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

201Po

Numri i masës201
numri i neutroneve117
relative atomic mass
200,982263799 ± 0,000005305 Da
g-factor
-0,65333333333333 ± 0,046666666666667
natural abundance
Radioaktivitet☢️ radioactive element
half-life
15,6 ± 0,1 m
Spini3/2
nuclear quadrupole moment
0,1 ± 0,1
koha e zbulimit apo shpikjes1951
parity-

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

202Po

Numri i masës202
numri i neutroneve118
relative atomic mass
201,980738934 ± 0,000009307 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
44,6 ± 0,4 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1951
parity+

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

203Po

Numri i masës203
numri i neutroneve119
relative atomic mass
202,981416072 ± 0,000004981 Da
g-factor
0,296 ± 0,02
natural abundance
Radioaktivitet☢️ radioactive element
half-life
36,7 ± 0,5 m
Spini5/2
nuclear quadrupole moment
0,17 ± 0,1
koha e zbulimit apo shpikjes1951
parity-

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

204Po

Numri i masës204
numri i neutroneve120
relative atomic mass
203,980310078 ± 0,000010811 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,519 ± 0,012 h
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1951
parity+

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

205Po

Numri i masës205
numri i neutroneve121
relative atomic mass
204,981190006 ± 0,000010798 Da
g-factor
0,304 ± 0,024
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,74 ± 0,08 h
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1951
parity-

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

206Po

Numri i masës206
numri i neutroneve122
relative atomic mass
205,980473662 ± 0,000004306 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
8,8 ± 0,1 d
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1947
parity+

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

207Po

Numri i masës207
numri i neutroneve123
relative atomic mass
206,981593334 ± 0,000007148 Da
g-factor
0,316 ± 0,024
natural abundance
Radioaktivitet☢️ radioactive element
half-life
5,8 ± 0,02 h
Spini5/2
nuclear quadrupole moment
0,28 ± 0,03
koha e zbulimit apo shpikjes1947
parity-

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

208Po

Numri i masës208
numri i neutroneve124
relative atomic mass
207,981246035 ± 0,000001795 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,898 ± 0,002 y
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1947
parity+

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

209Po

Numri i masës209
numri i neutroneve125
relative atomic mass
208,982430361 ± 0,000001909 Da
g-factor
1,36 ± 0,16
natural abundance
Radioaktivitet☢️ radioactive element
half-life
124 ± 3 y
Spini1/2
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1949
parity-

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

210Po

Numri i masës210
numri i neutroneve126
relative atomic mass
209,982873686 ± 0,00000123 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
138,376 ± 0,002 d
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1898
parity+

decay modeintensitet
α (α emission)100%

211Po

Numri i masës211
numri i neutroneve127
relative atomic mass
210,986653171 ± 0,000001347 Da
g-factor
-0,26666666666667 ± 0,017777777777778
natural abundance
Radioaktivitet☢️ radioactive element
half-life
516 ± 3 ms
Spini9/2
nuclear quadrupole moment
-0,77 ± 0,15
koha e zbulimit apo shpikjes1913
parity+

decay modeintensitet
α (α emission)100%

212Po

Numri i masës212
numri i neutroneve128
relative atomic mass
211,988867982 ± 0,000001237 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
294,4 ± 0,8 ns
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1906
parity+

decay modeintensitet
α (α emission)100%

213Po

Numri i masës213
numri i neutroneve129
relative atomic mass
212,992857154 ± 0,000003277 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,705 ± 0,001 us
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1947
parity+

decay modeintensitet
α (α emission)100%

214Po

Numri i masës214
numri i neutroneve130
relative atomic mass
213,995201287 ± 0,000001556 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
163,47 ± 0,03 us
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1912
parity+

decay modeintensitet
α (α emission)100%

215Po

Numri i masës215
numri i neutroneve131
relative atomic mass
214,999418385 ± 0,000002276 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,781 ± 0,005 ms
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1911
parity+

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

216Po

Numri i masës216
numri i neutroneve132
relative atomic mass
216,001913416 ± 0,000001948 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
144 ± 0,6 ms
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1910
parity+

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

217Po

Numri i masës217
numri i neutroneve133
relative atomic mass
217,006316145 ± 0,000007025 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
1,53 ± 0,05 s
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1956
parity+

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

218Po

Numri i masës218
numri i neutroneve134
relative atomic mass
218,008971234 ± 0,000002112 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
3,097 ± 0,012 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1904
parity+

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

219Po

Numri i masës219
numri i neutroneve135
relative atomic mass
219,013614 ± 0,000017 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
10,3 ± 1 m
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes1998
parity+

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

220Po

Numri i masës220
numri i neutroneve136
relative atomic mass
220,016386 ± 0,000019 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes1998
parity+

decay modeintensitet
β (β decay)

221Po

Numri i masës221
numri i neutroneve137
relative atomic mass
221,021228 ± 0,000021 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
2,2 ± 0,7 m
Spini9/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2010
parity+

decay modeintensitet
β (β decay)100%

222Po

Numri i masës222
numri i neutroneve138
relative atomic mass
222,02414 ± 0,000043 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
9,1 ± 7,2 m
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2010
parity+

decay modeintensitet
β (β decay)100%

223Po

Numri i masës223
numri i neutroneve139
relative atomic mass
223,02907 ± 0,00021 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini11/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2010
parity+

decay modeintensitet
β (β decay)

224Po

Numri i masës224
numri i neutroneve140
relative atomic mass
224,03211 ± 0,00021 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2010
parity+

decay modeintensitet
β (β decay)

225Po

Numri i masës225
numri i neutroneve141
relative atomic mass
225,037123 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2010
parity+

decay modeintensitet
β (β decay)

226Po

Numri i masës226
numri i neutroneve142
relative atomic mass
226,04031 ± 0,00043 Da
g-factor
0
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini0
nuclear quadrupole moment
0
koha e zbulimit apo shpikjes2010
parity+

decay modeintensitet
β (β decay)

227Po

Numri i masës227
numri i neutroneve143
relative atomic mass
227,04539 ± 0,00043 Da
g-factor
natural abundance
Radioaktivitet☢️ radioactive element
half-life
Spini5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes2010
parity+

decay modeintensitet
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

historia

zbuluesPierre and Marie Curie
vendndodhja e zbulimitFrance
koha e zbulimit apo shpikjes1898
EtimologjiaNamed for Poland, native country of Marie Curie.
pronunciationpeh-LOW-ni-em (anglisht)

burim

Abundance
Abundance in Earth's crust
0,0000000002 mg/kg
natural abundance (Oqeani)
0,000000000000015 mg/L
natural abundance (Trupi i njeriut)
0 %
natural abundance (meteoroid)
natural abundance (Diell)
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