Atomnummer | 84 |
---|---|
Atommassa | 209 |
masstal | 186 |
Grupp | 16 |
---|---|
Period | 6 |
Block | p |
Protoner | 84 p+ |
---|---|
Neutroner | 102 n0 |
Electrons | 84 e- |
fysisk egenskap | |
---|---|
atomradie | 190 pm
|
molvolym | 22,7 cm³/mol
|
kovalent radie | 145 pm
|
Metallic Radius | |
ionic radius | 94 pm
|
Crystal Radius | 108 pm
|
Van der Waalsradie |
197 pm
|
densitet | 9,2 g/cm³
|
energi | |
proton affinity | |
Elektronaffinitet | 1,9 eV/particle
|
joniseringsenergi | 8,414 eV/particle
|
ångbildningsvärme | 102,9 kJ/mol
|
smältvärme | 10 kJ/mol
|
Bildningsentalpi | |
Electrons | |
electron shell | 2, 8, 18, 32, 18, 6 |
valenselektron | 6 |
elektronkonfiguration | [Xe] 4f14 5d10 6s2 6p4 |
oxidationstal | -2, 2, 4, 5, 6 |
elektronegativitet | 2
|
Electrophilicity | 2,0413454866441514 eV/particle
|
Phases | |
aggregationstillstånd | Fast |
Gas Phase | |
Kokpunkt | 1 235,15 K
|
Smältpunkt | 527,15 K
|
critical pressure | |
critical temperature | |
trippelpunkt | |
Visual | |
färg | Silver
|
appearance | silvery |
Brytningsindex | |
materialegenskap | |
Värmeledningsförmåga | |
termisk expansion | |
molar heat capacity | |
Specifik värmekapacitet | |
heat capacity ratio | |
electrical properties | |
type | Conductor |
elektrisk konduktivitet | 2,3 MS/m
|
resistivitet | 0,00000043 m Ω
|
supraledare | |
magnetism | |
type | |
magnetisk susceptibilitet (Mass) | |
magnetisk susceptibilitet (Molar) | |
magnetisk susceptibilitet (Volume) | |
magnetic ordering | |
Curiepunkten | |
Néel temperature | |
Structure | |
Kristallstruktur | Enkelt kubisk (SC) |
Gitterkonstant | 3,35 Å
|
Lattice Angles | π/2, π/2, π/2 |
mekanisk materialegenskap | |
hårdhet | |
Kompressibilitet | |
skjuvmodul | |
Young's modulus | |
Poissons konstant | |
ljudhastighet | |
klassificering | |
Kategori | Metalloid, Metalloids |
CAS Group | VIB |
IUPAC Group | VIA |
Glawe Number | 93 |
Mendeleev Number | 103 |
Pettifor Number | 91 |
Geochemical Class | U/Th decay series |
Goldschmidt classification | synthetic |
övrigt | |
Gas Basicity | |
Dipole Polarizability | |
C6 Dispersion Coefficient | |
Allotropes | Alpha Polonium, Beta Polonium |
Träffyta | 0,5
|
Neutron Mass Absorption | |
kvanttal | 3P2 |
rymdgrupp | 221 (Pm-3m) |
Stabila isotoper | 0 |
---|---|
Instabila isotoper | 42 |
Radioactive Isotopes | 42 |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 186 |
g-factor | 0
|
Halveringstid | 34 ± 12 us
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2005 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
p (proton emission) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 187 |
g-factor | |
Halveringstid | 1,4 ± 0,25 ms
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2005 |
Paritet | - |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 188 |
g-factor | 0
|
Halveringstid | 270 ± 30 us
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1999 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 189 |
g-factor | |
Halveringstid | 3,5 ± 0,5 ms
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1999 |
Paritet | - |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 190 |
g-factor | 0
|
Halveringstid | 2,45 ± 0,05 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1996 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 191 |
g-factor | |
Halveringstid | 22 ± 1 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1993 |
Paritet | - |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 192 |
g-factor | 0
|
Halveringstid | 32,2 ± 0,3 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1977 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 193 |
g-factor | |
Halveringstid | 399 ± 34 ms
|
Spinn | 3/2 |
nuclear quadrupole moment | −1,3 ± 0,3
|
upptäcktsdatum | 1967 |
Paritet | - |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 194 |
g-factor | 0
|
Halveringstid | 392 ± 4 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1967 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 195 |
g-factor | −0,4 ± 0,026666666666667
|
Halveringstid | 4,64 ± 0,09 s
|
Spinn | 3/2 |
nuclear quadrupole moment | −0,9 ± 0,3
|
upptäcktsdatum | 1967 |
Paritet | - |
decay mode | Intensitet |
---|---|
α (α emission) | 94% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 196 |
g-factor | 0
|
Halveringstid | 5,63 ± 0,07 s
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1967 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 94% |
β+ (β+ decay; β+ = ϵ + e+) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 197 |
g-factor | −0,58666666666667 ± 0,046666666666667
|
Halveringstid | 53,6 ± 0,9 s
|
Spinn | 3/2 |
nuclear quadrupole moment | −0,4 ± 0,2
|
upptäcktsdatum | 1965 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | % |
α (α emission) | 44% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 198 |
g-factor | 0
|
Halveringstid | 1,76 ± 0,024 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1965 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 57% |
β+ (β+ decay; β+ = ϵ + e+) | 43% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 199 |
g-factor | −0,60666666666667 ± 0,046666666666667
|
Halveringstid | 5,47 ± 0,15 m
|
Spinn | 3/2 |
nuclear quadrupole moment | −0,27 ± 0,15
|
upptäcktsdatum | 1965 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 92.5% |
α (α emission) | 7.5% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 200 |
g-factor | 0
|
Halveringstid | 11,51 ± 0,08 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 88.9% |
α (α emission) | 11.1% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 201 |
g-factor | −0,65333333333333 ± 0,046666666666667
|
Halveringstid | 15,6 ± 0,1 m
|
Spinn | 3/2 |
nuclear quadrupole moment | 0,1 ± 0,1
|
upptäcktsdatum | 1951 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 98.87% |
α (α emission) | 1.13% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 202 |
g-factor | 0
|
Halveringstid | 44,6 ± 0,4 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 98.08% |
α (α emission) | 1.92% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 203 |
g-factor | 0,296 ± 0,02
|
Halveringstid | 36,7 ± 0,5 m
|
Spinn | 5/2 |
nuclear quadrupole moment | 0,17 ± 0,1
|
upptäcktsdatum | 1951 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.89% |
α (α emission) | 0.11% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 204 |
g-factor | 0
|
Halveringstid | 3,519 ± 0,012 h
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1951 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.33% |
α (α emission) | 0.67% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 205 |
g-factor | 0,304 ± 0,024
|
Halveringstid | 1,74 ± 0,08 h
|
Spinn | 5/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1951 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.96% |
α (α emission) | 0.04% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 206 |
g-factor | 0
|
Halveringstid | 8,8 ± 0,1 d
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1947 |
Paritet | + |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 94.55% |
α (α emission) | 5.45% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 207 |
g-factor | 0,316 ± 0,024
|
Halveringstid | 5,8 ± 0,02 h
|
Spinn | 5/2 |
nuclear quadrupole moment | 0,28 ± 0,03
|
upptäcktsdatum | 1947 |
Paritet | - |
decay mode | Intensitet |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.021% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 208 |
g-factor | 0
|
Halveringstid | 2,898 ± 0,002 y
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1947 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | 0.0042% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 209 |
g-factor | 1,36 ± 0,16
|
Halveringstid | 124 ± 3 y
|
Spinn | 1/2 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1949 |
Paritet | - |
decay mode | Intensitet |
---|---|
α (α emission) | 99.546% |
β+ (β+ decay; β+ = ϵ + e+) | 0.454% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 210 |
g-factor | 0
|
Halveringstid | 138,376 ± 0,002 d
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1898 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 211 |
g-factor | −0,26666666666667 ± 0,017777777777778
|
Halveringstid | 516 ± 3 ms
|
Spinn | 9/2 |
nuclear quadrupole moment | −0,77 ± 0,15
|
upptäcktsdatum | 1913 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 212 |
g-factor | 0
|
Halveringstid | 294,4 ± 0,8 ns
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1906 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 213 |
g-factor | |
Halveringstid | 3,705 ± 0,001 us
|
Spinn | 9/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1947 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 214 |
g-factor | 0
|
Halveringstid | 163,47 ± 0,03 us
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1912 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 215 |
g-factor | |
Halveringstid | 1,781 ± 0,005 ms
|
Spinn | 9/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1911 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
β− (β− decay) | 2.3% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 216 |
g-factor | 0
|
Halveringstid | 144 ± 0,6 ms
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1910 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 100% |
2β− (double β− decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 217 |
g-factor | |
Halveringstid | 1,53 ± 0,05 s
|
Spinn | 9/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1956 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 97.5% |
β− (β− decay) | 2.5% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 218 |
g-factor | 0
|
Halveringstid | 3,097 ± 0,012 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1904 |
Paritet | + |
decay mode | Intensitet |
---|---|
α (α emission) | 99.98% |
β− (β− decay) | 0.02% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 219 |
g-factor | |
Halveringstid | 10,3 ± 1 m
|
Spinn | 9/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 1998 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 71.8% |
α (α emission) | 28.2% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 220 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 1998 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 221 |
g-factor | |
Halveringstid | 2,2 ± 0,7 m
|
Spinn | 9/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2010 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 222 |
g-factor | 0
|
Halveringstid | 9,1 ± 7,2 m
|
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2010 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | 100% |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 223 |
g-factor | |
Halveringstid | |
Spinn | 11/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2010 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 224 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2010 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 225 |
g-factor | |
Halveringstid | |
Spinn | 3/2 |
nuclear quadrupole moment | |
upptäcktsdatum | 2010 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
natural abundance | Radioactive ☢️ |
---|---|
relative atomic mass | |
masstal | 226 |
g-factor | 0
|
Halveringstid | |
Spinn | 0 |
nuclear quadrupole moment | 0
|
upptäcktsdatum | 2010 |
Paritet | + |
decay mode | Intensitet |
---|---|
β− (β− decay) | % |
upptäckare eller uppfinnare | Pierre and Marie Curie |
---|---|
fyndplats | France |
upptäcktsdatum | 1898 |
etymologi | Named for Poland, native country of Marie Curie. |
uttal | peh-LOW-ni-em (engelska) |
1 | s | 1.6232 |
2 | p | 4.5428 |
2 | s | 22.0782 |
3 | d | 13.428 |
3 | p | 23.2851 |
3 | s | 24.3813 |
4 | d | 36.3328 |
4 | f | 37.8416 |
4 | p | 36.3328 |
4 | s | 35.4784 |
5 | d | 58.696 |
5 | p | 53.9755 |
5 | s | 51.977 |
6 | p | 69.7794 |
6 | s | 67.6692 |