Atomic Number | 98 |
---|---|
Atomic Weight | 251 |
Núicléónuimhir | 237 |
Group | |
---|---|
Period | 7 |
Block | f |
prótón | 98 p+ |
---|---|
neodrón | 139 n0 |
leictreon | 98 e- |
Ga Adamhach | |
---|---|
molar volume | |
covalent radius | |
Metallic Radius | |
ionic radius | |
Crystal Radius | |
Van der Waals radius | |
dlús |
fuinneamh | |
---|---|
proton affinity | |
electron affinity | |
ionization energy | |
enthalpy of vaporization | |
enthalpy of fusion | |
eantalpacht chaighdeánach an fhoirmithe | |
leictreon | |
electron shell | 2, 8, 18, 32, 28, 8, 2 |
Fiúsleictreon | 2 ⓘ |
cumraíocht leictreon | [Rn] 5f10 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f10 7s2 |
Staid ocsaídiúcháine | 2, 3, 4, 5 |
Leictridhiúltacht | |
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 | |
dath | Colorless
|
appearance | silvery |
Comhéifeacht athraonta | |
thermodynamic material property | |
Thermal Conductivity | |
Forbairt theirmeach | |
molar heat capacity | |
Specific Heat Capacity | |
Cóimheas saintoilleadh teasa | |
electrical properties | |
type | |
electrical conductivity | |
Friotachas | |
Forsheoltacht | |
Maighnéadas | |
type | |
So-ghabhálacht mhaighnéadach (Mass) | |
So-ghabhálacht mhaighnéadach (Molar) | |
So-ghabhálacht mhaighnéadach (Volume) | |
magnetic ordering | |
Teocht Curie | |
Néel temperature | |
struchtúr | |
Crystal Structure | Simple Hexagonal () |
lattice constant | |
Lattice Angles | π/2, π/2, 2 π/3 |
airíonna meicniúla | |
Cruas | |
Modal toirte | |
modal fiartha | |
modal Young | |
Cóimheas Poisson | |
luas forleata fuaime | |
aicmiúchán | |
Category | Actinides, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 42 |
Mendeleev Number | 32 |
Pettifor Number | 39 |
Geochemical Class | |
Goldschmidt classification | synthetic |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
Crosghearradh | 2,900
|
Neutron Mass Absorption | |
Uimhir chandamach | 5I8 |
space group | 194 (P63/mmc) |
Stable Isotopes | 0 |
---|---|
Unstable Isotopes | 20 |
Natural Isotopes | 0 |
Núicléónuimhir | 237 |
---|---|
neutron number | 139 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 0.8 ± 0.2 s
|
Guairne | 5/2 |
nuclear quadrupole moment | |
dáta fionnachtana nó tionscnaimh | 1995 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 70% |
SF (spontaneous fission) | 30% |
β+ (β+ decay; β+ = ϵ + e+) |
Núicléónuimhir | 238 |
---|---|
neutron number | 140 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 21.1 ± 1.3 ms
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1995 |
Paireacht | + |
decay mode | intensity |
---|---|
SF (spontaneous fission) | 97.5% |
α (α emission) | 2.5% |
Núicléónuimhir | 239 |
---|---|
neutron number | 141 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 28 ± 2 s
|
Guairne | 5/2 |
nuclear quadrupole moment | |
dáta fionnachtana nó tionscnaimh | 1981 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 65% |
β+ (β+ decay; β+ = ϵ + e+) |
Núicléónuimhir | 240 |
---|---|
neutron number | 142 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 40.3 ± 0.9 s
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1970 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 98.5% |
SF (spontaneous fission) | 1.5% |
β+ (β+ decay; β+ = ϵ + e+) |
Núicléónuimhir | 241 |
---|---|
neutron number | 143 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 2.35 ± 0.18 m
|
Guairne | 7/2 |
nuclear quadrupole moment | |
dáta fionnachtana nó tionscnaimh | 1970 |
Paireacht | - |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) | 15% |
Núicléónuimhir | 242 |
---|---|
neutron number | 144 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 3.49 ± 0.15 m
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1967 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 61% |
β+ (β+ decay; β+ = ϵ + e+) | 39% |
SF (spontaneous fission) | 0.014% |
Núicléónuimhir | 243 |
---|---|
neutron number | 145 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 10.8 ± 0.3 m
|
Guairne | 1/2 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1967 |
Paireacht | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 86% |
α (α emission) | 14% |
Núicléónuimhir | 244 |
---|---|
neutron number | 146 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 19.5 ± 0.5 m
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1956 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 75% |
ϵ (electron capture) | 25% |
Núicléónuimhir | 245 |
---|---|
neutron number | 147 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 45 ± 1.5 m
|
Guairne | 1/2 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1956 |
Paireacht | + |
decay mode | intensity |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 64.7% |
α (α emission) | 35.3% |
Núicléónuimhir | 246 |
---|---|
neutron number | 148 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 35.7 ± 0.5 h
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1951 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 2.4% |
ϵ (electron capture) |
Núicléónuimhir | 247 |
---|---|
neutron number | 149 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 3.11 ± 0.03 h
|
Guairne | 7/2 |
nuclear quadrupole moment | |
dáta fionnachtana nó tionscnaimh | 1954 |
Paireacht | + |
decay mode | intensity |
---|---|
ϵ (electron capture) | 99.965% |
α (α emission) | 0.035% |
Núicléónuimhir | 248 |
---|---|
neutron number | 150 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 333.5 ± 2.8 d
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1954 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 0.0029% |
Núicléónuimhir | 249 |
---|---|
neutron number | 151 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 351 ± 2 y
|
Guairne | 9/2 |
nuclear quadrupole moment | |
dáta fionnachtana nó tionscnaimh | 1954 |
Paireacht | - |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 5% |
Núicléónuimhir | 250 |
---|---|
neutron number | 152 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 13.08 ± 0.09 y
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1954 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 99.923% |
SF (spontaneous fission) | 0.077% |
Núicléónuimhir | 251 |
---|---|
neutron number | 153 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 898 ± 44 y
|
Guairne | 1/2 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1954 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) |
Núicléónuimhir | 252 |
---|---|
neutron number | 154 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 2.645 ± 0.008 y
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1954 |
Paireacht | + |
decay mode | intensity |
---|---|
α (α emission) | 96.8972% |
SF (spontaneous fission) | 3.1028% |
Núicléónuimhir | 253 |
---|---|
neutron number | 155 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 17.81 ± 0.08 d
|
Guairne | 7/2 |
nuclear quadrupole moment | |
dáta fionnachtana nó tionscnaimh | 1954 |
Paireacht | + |
decay mode | intensity |
---|---|
β− (β− decay) | 99.69% |
α (α emission) | 0.31% |
Núicléónuimhir | 254 |
---|---|
neutron number | 156 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 60.5 ± 0.2 d
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1955 |
Paireacht | + |
decay mode | intensity |
---|---|
SF (spontaneous fission) | 99.69% |
α (α emission) | 0.31% |
2β− (double β− decay) |
Núicléónuimhir | 255 |
---|---|
neutron number | 157 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | |
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 85 ± 18 m
|
Guairne | 7/2 |
nuclear quadrupole moment | |
dáta fionnachtana nó tionscnaimh | 1981 |
Paireacht | + |
decay mode | intensity |
---|---|
β− (β− decay) | 100% |
SF (spontaneous fission) | |
α (α emission) |
Núicléónuimhir | 256 |
---|---|
neutron number | 158 |
Mais Adamhach Choibhneasta | |
G-fhachtóir | 0
|
natural abundance | |
Meath radaighníomhach | ☢️ radioactive element |
leathré | 12.3 ± 1.2 m
|
Guairne | 0 |
nuclear quadrupole moment | 0
|
dáta fionnachtana nó tionscnaimh | 1980 |
Paireacht | + |
decay mode | intensity |
---|---|
SF (spontaneous fission) | 100% |
α (α emission) | |
2β− (double β− decay) |
fionnachtaí nó aireagóir | G.T.Seaborg, S.G.Tompson, A.Ghiorso, K.Street Jr. |
---|---|
áit ar tháinig air/uirthi | United States |
dáta fionnachtana nó tionscnaimh | 1950 |
Sanasaíocht | Named after the state and University of California. |
pronunciation | kal-eh-FOR-ni-em (Béarla) |
Abundance | |
---|---|
Abundance in Earth's crust | |
natural abundance (aigéan) | |
natural abundance (corp an duine) | 0 %
|
natural abundance (dreigeoideach) | 0 %
|
natural abundance (An Ghrian) | 0 %
|
Abundance in Universe | 0 %
|