Nomor atom | 90 |
---|---|
Massa atom | 232.0377 |
Nomor massa | 232 |
Golongan | |
---|---|
Periode | 7 |
Blok | f |
Proton | 90 p+ |
---|---|
Neutron | 142 n0 |
Elektron | 90 e- |
sifat fisik | |
---|---|
Jari-jari atom | 180 pm
|
Volume molar | 19,8 cm³/mol
|
Jari-jari kovalen | 175 pm
|
Metallic Radius | |
Jari-jari ion | 94 pm
|
Crystal Radius | 108 pm
|
Jari-jari van der Waals | 245 pm
|
kepadatan | 11,7 g/cm³
|
Energi | |
proton affinity | |
Afinitas elektron | |
Energi ionisasi | 6,3067 eV/particle
|
Panas penguapan | 513,7 kJ/mol
|
kalor peleburan | 16,11 kJ/mol
|
Perubahan entalpi pembentukan standar | 602 kJ/mol
|
Elektron | |
kelopak elektron | 2, 8, 18, 32, 18, 10, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Rn] 6d2 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 6d2 7s2 |
bilangan oksidasi | -1, 1, 2, 3, 4 |
elektronegativitas |
1.3
|
Electrophilicity Index | |
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | 5.058,15 K
|
Titik lebur | 2.023,15 K
|
critical pressure | |
critical temperature | |
Titik tripel | |
appearance | |
warna | Perak
|
appearance | silvery, often with black tarnish |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | |
Pemuaian | 0,000011 1/K
|
molar heat capacity | 27,32 J/(mol K)
|
Kapasitas kalor molar | 0,118 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
tipe | Conductor |
konduktivitas listrik | 6,7 MS/m
|
resistivitas listrik | 0,00000015 m Ω
|
superkonduktivitas | 1,38 K
|
magnetisme | |
tipe | paramagnetic |
Suseptibilitas magnetik batuan (Mass) | 0,0000000072 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | 0,0000000017 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | 0,000084
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | Kubik Berpusat-muka (FCC) |
Konstanta kisi | 5,08 Å
|
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
Kekerasan | 3 MPa
|
Modulus kompresi | 54 GPa
|
Modulus geser | 31 GPa
|
modulus Young | 79 GPa
|
Rasio Poisson | 0,27
|
kecepatan suara | 2.490 m/s
|
klasifikasi | |
Kategori | Aktinida, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 34 |
Mendeleev Number | 16 |
Pettifor Number | 47 |
Geochemical Class | rare earth & related |
Klasifikasi Goldschmidt | litophile |
lain-lain | |
Gas Basicity | |
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
neutron cross section | 7,4
|
Neutron Mass Absorption | 0,001
|
Bilangan kuantum | 3F2 |
Grup ruang | 225 (Fm_3m) |
Isotop stabil | 0 |
---|---|
Isotop tidak stabil | 32 |
Radioactive Isotopes | 32 |
Nomor massa | 208 |
---|---|
nomor neutron | 118 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,4 ± 1,2 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2010 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 209 |
---|---|
nomor neutron | 119 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 210 |
---|---|
nomor neutron | 120 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 16 ± 3,6 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1995 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 211 |
---|---|
nomor neutron | 121 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 48 ± 20 ms
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1995 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 212 |
---|---|
nomor neutron | 122 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 31,7 ± 1,3 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1980 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 213 |
---|---|
nomor neutron | 123 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 144 ± 21 ms
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1968 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 214 |
---|---|
nomor neutron | 124 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 87 ± 10 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1968 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 215 |
---|---|
nomor neutron | 125 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,35 ± 0,14 s
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1968 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 216 |
---|---|
nomor neutron | 126 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 26,28 ± 0,16 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1968 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 217 |
---|---|
nomor neutron | 127 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 248 ± 4 us
|
Spin | 9/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1968 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 218 |
---|---|
nomor neutron | 128 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 122 ± 5 ns
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 219 |
---|---|
nomor neutron | 129 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,023 ± 0,018 us
|
Spin | 9/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 220 |
---|---|
nomor neutron | 130 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10,2 ± 0,3 us
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
ϵ (electron capture) |
Nomor massa | 221 |
---|---|
nomor neutron | 131 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,75 ± 0,02 ms
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1970 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 222 |
---|---|
nomor neutron | 132 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,24 ± 0,03 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1970 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
ϵ (electron capture) |
Nomor massa | 223 |
---|---|
nomor neutron | 133 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 600 ± 20 ms
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1952 |
parity |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 224 |
---|---|
nomor neutron | 134 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,04 ± 0,02 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
2β+ (double β+ decay) |
Nomor massa | 225 |
---|---|
nomor neutron | 135 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,75 ± 0,04 m
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 90% |
ϵ (electron capture) |
Nomor massa | 226 |
---|---|
nomor neutron | 136 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 30,7 ± 0,03 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1948 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
18O | 3.2% |
Nomor massa | 227 |
---|---|
nomor neutron | 137 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 18,693 ± 0,004 d
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1906 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 228 |
---|---|
nomor neutron | 138 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,9125 ± 0,0007 y
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1905 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
20O | 1.13% |
Nomor massa | 229 |
---|---|
nomor neutron | 139 |
bobot atom | |
g-factor | 0,184 ± 0,016
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 7,916 ± 0,017 ky
|
Spin | 5/2 |
nuclear quadrupole moment | 3,11 ± 0,06
|
tanggal penemuan | 1947 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 230 |
---|---|
nomor neutron | 140 |
bobot atom | |
g-factor | 0
|
natural abundance | 0,02 ± 0,02
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 75,4 ± 0,3 ky
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1907 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 4% |
24Ne (heavy cluster emission) | 5.8% |
Nomor massa | 231 |
---|---|
nomor neutron | 141 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 25,52 ± 0,01 h
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1911 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 232 |
---|---|
nomor neutron | 142 |
bobot atom | |
g-factor | 0
|
natural abundance | 99,98 ± 0,02
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 14 ± 0,1 Gy
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1898 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 1.1% |
26Ne | 2.78% |
2β− (double β− decay) |
Nomor massa | 233 |
---|---|
nomor neutron | 143 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 21,83 ± 0,04 m
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1935 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 234 |
---|---|
nomor neutron | 144 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 24,107 ± 0,024 d
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1900 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
α (α emission) |
Nomor massa | 235 |
---|---|
nomor neutron | 145 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 7,2 ± 0,1 m
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1969 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 236 |
---|---|
nomor neutron | 146 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 37,3 ± 1,5 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 237 |
---|---|
nomor neutron | 147 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,8 ± 0,5 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1993 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 238 |
---|---|
nomor neutron | 148 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 9,4 ± 2 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1999 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
penemu atau pencipta | Jöns Berzelius |
---|---|
tempat penemuan | Sweden |
tanggal penemuan | 1828 |
etimologi | Named for Thor, Norse god of thunder. |
pelafalan | THOR-i-em (Inggris) |