Atomic Number | 84 |
---|---|
Atomic Weight | 209 |
mass number | 186 |
Group | 16 |
---|---|
Period | 6 |
Block | p |
proton | 84 p+ |
---|---|
neutron | 102 n0 |
electron | 84 e- |
Rai Atomic | |
---|---|
molar volume | |
covalent radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Rai de van der Waals | |
densitat |
energia | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
standard enthalpy of formation | |
electron | |
electron shell | 2, 8, 18, 32, 18, 6 |
valence electron | 6 ⓘ |
electron configuration | [Xe] 4f14 5d10 6s2 6p4ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f14 5d10 6s2 6p4 |
oxidation number | -2, 2, 4, 5, 6 |
Electronegativitat | 2
|
Electrophilicity Index | |
fundamental state of matter | |
estat de la matèria | Solid |
gaseous state of matter | |
Boiling Point | |
Melting Point | |
critical pressure | |
critical temperature | |
Ponch triple | |
appearance | |
Color | Silver
|
appearance | silvery |
Indici de refraccion | |
thermodynamic material property | |
Thermal Conductivity | |
thermal expansion | |
molar heat capacity | |
Specific Heat Capacity | |
heat capacity ratio | |
electrical properties | |
type | Conductor |
electrical conductivity | |
electrical resistivity | |
superconductivity | |
magnetism | |
type | |
magnetic susceptibility (Mass) | |
magnetic susceptibility (Molar) | |
magnetic susceptibility (Volume) | |
magnetic ordering | |
Curie temperature | |
Néel temperature | |
estructura | |
Crystal Structure | Simple Cubic (SC) |
lattice constant | |
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
Duretat | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | |
speed of sound | |
classification | |
Category | Metalloids, 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 |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | Alpha Polonium, Beta Polonium |
Neutron cross section | 0.5
|
Neutron Mass Absorption | |
quantum number | 3P2 |
space group | 221 (Pm-3m) |
Stable Isotopes | 0 |
---|---|
Unstable Isotopes | 42 |
Natural Isotopes | 0 |
mass number | 186 |
---|---|
neutron number | 102 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 34 ± 12 us
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 2005 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
p (proton emission) |
mass number | 187 |
---|---|
neutron number | 103 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 1.4 ± 0.25 ms
|
Espin | 1/2 |
nuclear quadrupole moment | 0
|
data de descobèrta | 2005 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 188 |
---|---|
neutron number | 104 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 270 ± 30 us
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1999 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 189 |
---|---|
neutron number | 105 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 3.5 ± 0.5 ms
|
Espin | 5/2 |
nuclear quadrupole moment | |
data de descobèrta | 1999 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 190 |
---|---|
neutron number | 106 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 2.45 ± 0.05 ms
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1996 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 191 |
---|---|
neutron number | 107 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 22 ± 1 ms
|
Espin | 3/2 |
nuclear quadrupole moment | |
data de descobèrta | 1993 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 192 |
---|---|
neutron number | 108 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 32.2 ± 0.3 ms
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1977 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 193 |
---|---|
neutron number | 109 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 399 ± 34 ms
|
Espin | 3/2 |
nuclear quadrupole moment | -1.3 ± 0.3
|
data de descobèrta | 1967 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 194 |
---|---|
neutron number | 110 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 392 ± 4 ms
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1967 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 195 |
---|---|
neutron number | 111 |
Relative Atomic Mass | |
g-factor | -0.4 ± 0.026666666666667
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 4.64 ± 0.09 s
|
Espin | 3/2 |
nuclear quadrupole moment | -0.9 ± 0.3
|
data de descobèrta | 1967 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 94% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 196 |
---|---|
neutron number | 112 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 5.63 ± 0.07 s
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1967 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 94% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 197 |
---|---|
neutron number | 113 |
Relative Atomic Mass | |
g-factor | -0.58666666666667 ± 0.046666666666667
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 53.6 ± 0.9 s
|
Espin | 3/2 |
nuclear quadrupole moment | -0.4 ± 0.2
|
data de descobèrta | 1965 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) | 44% |
mass number | 198 |
---|---|
neutron number | 114 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 1.76 ± 0.024 m
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1965 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 57% |
β+ (β+ decay; β+ = ϵ + e+) | 43% |
mass number | 199 |
---|---|
neutron number | 115 |
Relative Atomic Mass | |
g-factor | -0.60666666666667 ± 0.046666666666667
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 5.47 ± 0.15 m
|
Espin | 3/2 |
nuclear quadrupole moment | -0.27 ± 0.15
|
data de descobèrta | 1965 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 92.5% |
α (α emission) | 7.5% |
mass number | 200 |
---|---|
neutron number | 116 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 11.51 ± 0.08 m
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1951 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 88.9% |
α (α emission) | 11.1% |
mass number | 201 |
---|---|
neutron number | 117 |
Relative Atomic Mass | |
g-factor | -0.65333333333333 ± 0.046666666666667
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 15.6 ± 0.1 m
|
Espin | 3/2 |
nuclear quadrupole moment | 0.1 ± 0.1
|
data de descobèrta | 1951 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 98.87% |
α (α emission) | 1.13% |
mass number | 202 |
---|---|
neutron number | 118 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 44.6 ± 0.4 m
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1951 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 98.08% |
α (α emission) | 1.92% |
mass number | 203 |
---|---|
neutron number | 119 |
Relative Atomic Mass | |
g-factor | 0.296 ± 0.02
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 36.7 ± 0.5 m
|
Espin | 5/2 |
nuclear quadrupole moment | 0.17 ± 0.1
|
data de descobèrta | 1951 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.89% |
α (α emission) | 0.11% |
mass number | 204 |
---|---|
neutron number | 120 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 3.519 ± 0.012 h
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1951 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.33% |
α (α emission) | 0.67% |
mass number | 205 |
---|---|
neutron number | 121 |
Relative Atomic Mass | |
g-factor | 0.304 ± 0.024
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 1.74 ± 0.08 h
|
Espin | 5/2 |
nuclear quadrupole moment | |
data de descobèrta | 1951 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.96% |
α (α emission) | 0.04% |
mass number | 206 |
---|---|
neutron number | 122 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 8.8 ± 0.1 d
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1947 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 94.55% |
α (α emission) | 5.45% |
mass number | 207 |
---|---|
neutron number | 123 |
Relative Atomic Mass | |
g-factor | 0.316 ± 0.024
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 5.8 ± 0.02 h
|
Espin | 5/2 |
nuclear quadrupole moment | 0.28 ± 0.03
|
data de descobèrta | 1947 |
parity | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.021% |
mass number | 208 |
---|---|
neutron number | 124 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 2.898 ± 0.002 y
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1947 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | 0.0042% |
mass number | 209 |
---|---|
neutron number | 125 |
Relative Atomic Mass | |
g-factor | 1.36 ± 0.16
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 124 ± 3 y
|
Espin | 1/2 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1949 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 99.546% |
β+ (β+ decay; β+ = ϵ + e+) | 0.454% |
mass number | 210 |
---|---|
neutron number | 126 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 138.376 ± 0.002 d
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1898 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 211 |
---|---|
neutron number | 127 |
Relative Atomic Mass | |
g-factor | -0.26666666666667 ± 0.017777777777778
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 516 ± 3 ms
|
Espin | 9/2 |
nuclear quadrupole moment | -0.77 ± 0.15
|
data de descobèrta | 1913 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 212 |
---|---|
neutron number | 128 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 294.4 ± 0.8 ns
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1906 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 213 |
---|---|
neutron number | 129 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 3.705 ± 0.001 us
|
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | 1947 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 214 |
---|---|
neutron number | 130 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 163.47 ± 0.03 us
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1912 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 215 |
---|---|
neutron number | 131 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 1.781 ± 0.005 ms
|
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | 1911 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β− (β− decay) | 2.3% |
mass number | 216 |
---|---|
neutron number | 132 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 144 ± 0.6 ms
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1910 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
2β− (double β− decay) |
mass number | 217 |
---|---|
neutron number | 133 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 1.53 ± 0.05 s
|
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | 1956 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 97.5% |
β− (β− decay) | 2.5% |
mass number | 218 |
---|---|
neutron number | 134 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 3.097 ± 0.012 m
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1904 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 99.98% |
β− (β− decay) | 0.02% |
mass number | 219 |
---|---|
neutron number | 135 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 10.3 ± 1 m
|
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | 1998 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 71.8% |
α (α emission) | 28.2% |
mass number | 220 |
---|---|
neutron number | 136 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 1998 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
mass number | 221 |
---|---|
neutron number | 137 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 2.2 ± 0.7 m
|
Espin | 9/2 |
nuclear quadrupole moment | |
data de descobèrta | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 222 |
---|---|
neutron number | 138 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | 9.1 ± 7.2 m
|
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 223 |
---|---|
neutron number | 139 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 11/2 |
nuclear quadrupole moment | |
data de descobèrta | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
mass number | 224 |
---|---|
neutron number | 140 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
mass number | 225 |
---|---|
neutron number | 141 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 3/2 |
nuclear quadrupole moment | |
data de descobèrta | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
mass number | 226 |
---|---|
neutron number | 142 |
Relative Atomic Mass | |
g-factor | 0
|
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 0 |
nuclear quadrupole moment | 0
|
data de descobèrta | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
mass number | 227 |
---|---|
neutron number | 143 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioactivitat | ☢️ radioactive element |
Semivida | |
Espin | 5/2 |
nuclear quadrupole moment | |
data de descobèrta | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) |
descobridor o inventaire | Pierre and Marie Curie |
---|---|
luòc de descobèrta | France |
data de descobèrta | 1898 |
Etimologia | Named for Poland, native country of Marie Curie. |
pronunciation | peh-LOW-ni-em (English) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (Ocean) | |
natural abundance (còs uman) | 0 %
|
natural abundance (meteoroid) | |
natural abundance (Solelh) | |
Abundance in Universe | 0 %
|
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 |