Atomic Number | 87 |
---|---|
Atomic Weight | 223 |
mass number | 197 |
Group | 1 |
---|---|
Period | 7 |
Block | s |
Proton | 87 p+ |
---|---|
Neutron | 110 n0 |
Elektron | 87 e- |
Atomic Radius | |
---|---|
molar volume | |
Covalent Radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Van der Waals radius | |
density |
energie | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
standard enthalpy of formation | |
Elektron | |
electron shell | 2, 8, 18, 32, 18, 8, 1 |
valence electron | 1 ⓘ |
electron configuration | [Rn] 7s1ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 7s1 |
oxidation number | 1 |
electronegativity |
0.7
|
Electrophilicity Index | |
fundamental state of matter | |
phase of matter | Solid |
gaseous state of matter | |
Boiling Point | |
Melting Point | |
critical pressure | |
critical temperature | |
triple point | |
appearance | |
Faarf | Silver
|
appearance | |
refractive index | |
thermodynamic material property | |
Thermal Conductivity | |
thermal expansion | |
molar heat capacity | |
Specific Heat Capacity | |
heat capacity ratio | |
electrical properties | |
type | |
electrical conductivity | |
electrical resistivity | |
superconductivity | |
Magnetismus | |
type | |
magnetic susceptibility (Mass) | |
magnetic susceptibility (Molar) | |
magnetic susceptibility (Volume) | |
magnetic ordering | |
Curie temperature | |
Néel temperature | |
Struktur | |
Crystal Structure | (BCC) |
lattice constant | |
Lattice Angles | |
mechanical property | |
hardness | |
bulk modulus | |
shear modulus | |
Young's modulus | |
Poisson's ratio | |
speed of sound | |
classification | |
Category | Alkali metals, Alkali metals |
CAS Group | IA |
IUPAC Group | IA |
Glawe Number | 7 |
Mendeleev Number | 6 |
Pettifor Number | 7 |
Geochemical Class | U/Th decay series |
Goldschmidt classification | synthetic |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Neutron cross section | |
Neutron Mass Absorption | |
quantum number | 2S1/2 |
space group | () |
Stable Isotopes | 0 |
---|---|
Unstable Isotopes | 37 |
Natural Isotopes | 0 |
mass number | 197 |
---|---|
neutron number | 110 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 2,3 ± 1,9 ms
|
spin | 7/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2013 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 198 |
---|---|
neutron number | 111 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 15 ± 3 ms
|
spin | 3 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 2013 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 199 |
---|---|
neutron number | 112 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 6,6 ± 2,2 ms
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1999 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 200 |
---|---|
neutron number | 113 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 47,5 ± 2,8 ms
|
spin | 3 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1995 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) | |
β+ SF (β+-delayed fission) |
mass number | 201 |
---|---|
neutron number | 114 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 62,8 ± 1,9 ms
|
spin | 9/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1980 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 202 |
---|---|
neutron number | 115 |
Relative Atomic Mass | |
g-factor | 1,3 ± 0,016666666666667
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 372 ± 12 ms
|
spin | 3 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1980 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 203 |
---|---|
neutron number | 116 |
Relative Atomic Mass | |
g-factor | 0,83111111111111 ± 0,0088888888888889
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 550 ± 10 ms
|
spin | 9/2 |
nuclear quadrupole moment | -0,47 ± 0,02
|
Datum vun der Entdeckung | 1967 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 204 |
---|---|
neutron number | 117 |
Relative Atomic Mass | |
g-factor | 1,33 ± 0,01
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,75 ± 0,26 s
|
spin | 3 |
nuclear quadrupole moment | -0,141 ± 0,009
|
Datum vun der Entdeckung | 1964 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 96% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 205 |
---|---|
neutron number | 118 |
Relative Atomic Mass | |
g-factor | 0,84444444444444 ± 0,0066666666666667
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 3,9 ± 0,07 s
|
spin | 9/2 |
nuclear quadrupole moment | -0,305 ± 0,018
|
Datum vun der Entdeckung | 1964 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 98.5% |
β+ (β+ decay; β+ = ϵ + e+) | 1.5% |
mass number | 206 |
---|---|
neutron number | 119 |
Relative Atomic Mass | |
g-factor | 1,3233333333333 ± 0,016666666666667
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | |
spin | 3 |
nuclear quadrupole moment | -0,354 ± 0,009
|
Datum vun der Entdeckung | 1964 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 88.4% |
β+ (β+ decay; β+ = ϵ + e+) | 11.6% |
mass number | 207 |
---|---|
neutron number | 120 |
Relative Atomic Mass | |
g-factor | 0,86 ± 0,0088888888888889
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 14,8 ± 0,1 s
|
spin | 9/2 |
nuclear quadrupole moment | -0,24 ± 0,02
|
Datum vun der Entdeckung | 1964 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 95% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 208 |
---|---|
neutron number | 121 |
Relative Atomic Mass | |
g-factor | 0,67285714285714 ± 0,0057142857142857
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 59,1 ± 0,3 s
|
spin | 7 |
nuclear quadrupole moment | 0,052 ± 0,011
|
Datum vun der Entdeckung | 1964 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 89% |
β+ (β+ decay; β+ = ϵ + e+) | 11% |
mass number | 209 |
---|---|
neutron number | 122 |
Relative Atomic Mass | |
g-factor | 0,87333333333333 ± 0,011111111111111
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 50,5 ± 0,7 s
|
spin | 9/2 |
nuclear quadrupole moment | -0,26 ± 0,02
|
Datum vun der Entdeckung | 1964 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 89% |
β+ (β+ decay; β+ = ϵ + e+) | 11% |
mass number | 210 |
---|---|
neutron number | 123 |
Relative Atomic Mass | |
g-factor | 0,73 ± 0,0083333333333333
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 3,18 ± 0,06 m
|
spin | 6 |
nuclear quadrupole moment | 0,21 ± 0,02
|
Datum vun der Entdeckung | 1964 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 71% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 211 |
---|---|
neutron number | 124 |
Relative Atomic Mass | |
g-factor | 0,88222222222222 ± 0,011111111111111
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 3,1 ± 0,02 m
|
spin | 9/2 |
nuclear quadrupole moment | -0,21 ± 0,02
|
Datum vun der Entdeckung | 1964 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 87% |
β+ (β+ decay; β+ = ϵ + e+) | 13% |
mass number | 212 |
---|---|
neutron number | 125 |
Relative Atomic Mass | |
g-factor | 0,918 ± 0,01
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 20 ± 0,6 m
|
spin | 5 |
nuclear quadrupole moment | -0,1 ± 0,002
|
Datum vun der Entdeckung | 1950 |
parity | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 57% |
α (α emission) | 43% |
mass number | 213 |
---|---|
neutron number | 126 |
Relative Atomic Mass | |
g-factor | 0,88666666666667 ± 0,0022222222222222
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 34,14 ± 0,06 s
|
spin | 9/2 |
nuclear quadrupole moment | -0,138 ± 0,003
|
Datum vun der Entdeckung | 1964 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 99.44% |
β+ (β+ decay; β+ = ϵ + e+) | 0.56% |
mass number | 214 |
---|---|
neutron number | 127 |
Relative Atomic Mass | |
g-factor | 0,241 ± 0,016
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 5,51 ± 0,13 ms
|
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1967 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 215 |
---|---|
neutron number | 128 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 90 ± 4 ns
|
spin | 9/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1970 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 216 |
---|---|
neutron number | 129 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 700 ± 20 ns
|
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1970 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
mass number | 217 |
---|---|
neutron number | 130 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 22 ± 5 us
|
spin | 9/2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1968 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 218 |
---|---|
neutron number | 131 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 1,4 ± 0,5 ms
|
spin | 1 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1949 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 219 |
---|---|
neutron number | 132 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 22,5 ± 1,7 ms
|
spin | 9/2 |
nuclear quadrupole moment | -1,19 ± 0,02
|
Datum vun der Entdeckung | 1948 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
mass number | 220 |
---|---|
neutron number | 133 |
Relative Atomic Mass | |
g-factor | -0,66 ± 0,01
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 27,4 ± 0,3 s
|
spin | 1 |
nuclear quadrupole moment | 0,487 ± 0,008
|
Datum vun der Entdeckung | 1948 |
parity | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β− (β− decay) | 0.35% |
mass number | 221 |
---|---|
neutron number | 134 |
Relative Atomic Mass | |
g-factor | 0,628 ± 0,008
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 4,801 ± 0,005 m
|
spin | 5/2 |
nuclear quadrupole moment | -1,02 ± 0,03
|
Datum vun der Entdeckung | 1947 |
parity | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
β− (β− decay) | 0.0048% |
14C | 8.8% |
mass number | 222 |
---|---|
neutron number | 135 |
Relative Atomic Mass | |
g-factor | 0,315 ± 0,005
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 14,2 ± 0,3 m
|
spin | 2 |
nuclear quadrupole moment | 0,51 ± 0,04
|
Datum vun der Entdeckung | 1975 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 223 |
---|---|
neutron number | 136 |
Relative Atomic Mass | |
g-factor | 0,77333333333333 ± 0,0066666666666667
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 22 ± 0,07 m
|
spin | 3/2 |
nuclear quadrupole moment | 1,18 ± 0,02
|
Datum vun der Entdeckung | 1939 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
α (α emission) | 0.006% |
mass number | 224 |
---|---|
neutron number | 137 |
Relative Atomic Mass | |
g-factor | 0,4 ± 0,01
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 3,33 ± 0,1 m
|
spin | 1 |
nuclear quadrupole moment | 0,523 ± 0,009
|
Datum vun der Entdeckung | 1969 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 225 |
---|---|
neutron number | 138 |
Relative Atomic Mass | |
g-factor | 0,70666666666667 ± 0,0066666666666667
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 3,95 ± 0,14 m
|
spin | 3/2 |
nuclear quadrupole moment | 1,33 ± 0,02
|
Datum vun der Entdeckung | 1969 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 226 |
---|---|
neutron number | 139 |
Relative Atomic Mass | |
g-factor | 0,0712 ± 0,0014
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 48,5 ± 0,7 s
|
spin | 1 |
nuclear quadrupole moment | -1,37 ± 0,03
|
Datum vun der Entdeckung | 1969 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 227 |
---|---|
neutron number | 140 |
Relative Atomic Mass | |
g-factor | 2,98 ± 0,04
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 2,47 ± 0,03 m
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1972 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 228 |
---|---|
neutron number | 141 |
Relative Atomic Mass | |
g-factor | -0,38 ± 0,005
|
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 38 ± 1 s
|
spin | 2 |
nuclear quadrupole moment | 2,41 ± 0,06
|
Datum vun der Entdeckung | 1972 |
parity | - |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 229 |
---|---|
neutron number | 142 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 50,2 ± 0,4 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1975 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 230 |
---|---|
neutron number | 143 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 19,1 ± 0,5 s
|
spin | 2 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1987 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 231 |
---|---|
neutron number | 144 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 17,6 ± 0,6 s
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 1985 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
mass number | 232 |
---|---|
neutron number | 145 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 5,5 ± 0,6 s
|
spin | 5 |
nuclear quadrupole moment | |
Datum vun der Entdeckung | 1990 |
parity |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− SF (β−-delayed fission) |
mass number | 233 |
---|---|
neutron number | 146 |
Relative Atomic Mass | |
g-factor | |
natural abundance | |
Radioaktivitéit | ☢️ radioactive element |
half-life | 900 ± 100 ms
|
spin | 1/2 |
nuclear quadrupole moment | 0
|
Datum vun der Entdeckung | 2010 |
parity | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Entdecker oder Erfinder | Marguerite Derey |
---|---|
location of discovery | France |
Datum vun der Entdeckung | 1939 |
Etymologie | Named for France, the nation of its discovery. |
pronunciation | FRAN-si-em (Englesch) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (Ozean) | |
natural abundance (Mënschleche Kierper) | 0 %
|
natural abundance (Meteoroid) | |
natural abundance (Sonn) | |
Abundance in Universe | 0 %
|