| Nomor atom | 91 |
|---|---|
| Massa atom | 231.03588 |
| Nomor massa | 231 |
| Golongan | |
|---|---|
| Periode | 7 |
| Blok | f |
| Proton | 91 p+ |
|---|---|
| Neutron | 140 n0 |
| Elektron | 91 e- |
| Jari-Jari Atom | |
|---|---|
| Volume molar | |
| Jari-jari kovalen | |
| Metallic Radius | |
| Jari-jari ion | |
| Crystal Radius | |
| Jari-jari van der Waals | |
| kepadatan |
| Energi | |
|---|---|
| proton affinity | |
| Afinitas elektron | |
| Energi ionisasi | |
| Panas penguapan | |
| kalor peleburan | |
| Perubahan entalpi pembentukan standar | |
| Elektron | |
| kelopak elektron | 2, 8, 18, 32, 20, 9, 2 |
| Elektron valensi | 2 ⓘ |
| konfigurasi elektron | [Rn] 5f2 6d1 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f2 6d1 7s2 |
| bilangan oksidasi | 2, 3, 4, 5 |
| elektronegativitas |
1.5
|
| Electrophilicity Index | |
| kondisi dasar materi | |
| fase zat | {ERROR}|
| gaseous state of matter | |
| Titik didih | |
| Titik lebur | |
| critical pressure | |
| critical temperature | |
| Titik tripel | |
| appearance | |
| warna | Hitam
|
| appearance | bright, silvery metallic luster |
| Indeks bias | |
| thermodynamic material property | |
| Kondusivitas termal | |
| Pemuaian | |
| molar heat capacity | |
| Kapasitas kalor molar | |
| heat capacity ratio | |
| electrical properties | |
| tipe | Conductor |
| konduktivitas listrik | |
| resistivitas listrik | |
| superkonduktivitas | |
| magnetisme | |
| tipe | paramagnetic |
| Suseptibilitas magnetik batuan (Mass) | 0,0000000325 m³/Kg
|
| Suseptibilitas magnetik batuan (Molar) | 0,000000007509 m³/mol
|
| Suseptibilitas magnetik batuan (Volume) | 0,0004995
|
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| struktur | |
| Struktur kristal | {ERROR} |
| Konstanta kisi | |
| Lattice Angles | π/2, π/2, π/2 |
| mechanical property | |
| Kekerasan | |
| Modulus kompresi | |
| Modulus geser | |
| modulus Young | |
| Rasio Poisson | |
| kecepatan suara | |
| klasifikasi | |
| Kategori | Aktinida, Actinides |
| CAS Group | |
| IUPAC Group | |
| Glawe Number | 35 |
| Mendeleev Number | 18 |
| Pettifor Number | 46 |
| Geochemical Class | U/Th decay series |
| Klasifikasi Goldschmidt | litophile |
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| neutron cross section | 200
|
| Neutron Mass Absorption | |
| Bilangan kuantum | 4K11/2 |
| Grup ruang | 139 (I4/mmm) |
| Isotop stabil | 0 |
|---|---|
| Isotop tidak stabil | 31 |
| Natural Isotopes | 1 |
| Nomor massa | 211 |
|---|---|
| nomor neutron | 120 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 6 ± 3 ms
|
| Spin | 9/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 2006 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) | |
| p (proton emission) |
| Nomor massa | 212 |
|---|---|
| nomor neutron | 121 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 5,8 ± 1,9 ms
|
| Spin | 3 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1997 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 213 |
|---|---|
| nomor neutron | 122 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 7,4 ± 2,4 ms
|
| Spin | 9/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1995 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 214 |
|---|---|
| nomor neutron | 123 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 17 ± 3 ms
|
| Spin | 7 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1995 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 215 |
|---|---|
| nomor neutron | 124 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 14 ± 2 ms
|
| Spin | 9/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1979 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 216 |
|---|---|
| nomor neutron | 125 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 105 ± 12 ms
|
| Spin | 5 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1972 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| Nomor massa | 217 |
|---|---|
| nomor neutron | 126 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 3,8 ± 0,2 ms
|
| Spin | 9/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1968 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| β− (β− decay) |
| Nomor massa | 218 |
|---|---|
| nomor neutron | 127 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 108 ± 5 us
|
| Spin | 8 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1979 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 219 |
|---|---|
| nomor neutron | 128 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 56 ± 9 ns
|
| Spin | 9/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 2005 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| Nomor massa | 220 |
|---|---|
| nomor neutron | 129 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 0,85 ± 0,06 us
|
| Spin | 1 |
| nuclear quadrupole moment | |
| tanggal penemuan | 2005 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| Nomor massa | 221 |
|---|---|
| nomor neutron | 130 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 5,9 ± 1,7 us
|
| Spin | 9/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1983 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 222 |
|---|---|
| nomor neutron | 131 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 3,8 ± 0,2 ms
|
| Spin | 1 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1970 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 223 |
|---|---|
| nomor neutron | 132 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 5,3 ± 0,3 ms
|
| Spin | 9/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1970 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| Nomor massa | 224 |
|---|---|
| nomor neutron | 133 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 844 ± 19 ms
|
| Spin | 5 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1958 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| β+ (β+ decay; β+ = ϵ + e+) |
| Nomor massa | 225 |
|---|---|
| nomor neutron | 134 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,71 ± 0,1 s
|
| Spin | 5/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1958 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| Nomor massa | 226 |
|---|---|
| nomor neutron | 135 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,8 ± 0,2 m
|
| Spin | 1 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1949 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 74% |
| β+ (β+ decay; β+ = ϵ + e+) | 26% |
| Nomor massa | 227 |
|---|---|
| nomor neutron | 136 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 38,3 ± 0,3 m
|
| Spin | 5/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1948 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 85% |
| ϵ (electron capture) | 15% |
| Nomor massa | 228 |
|---|---|
| nomor neutron | 137 |
| bobot atom | |
| g-factor | 1,1666666666667 ± 0,16666666666667
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 22 ± 1 h
|
| Spin | 3 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1948 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 98.15% |
| α (α emission) | 1.85% |
| Nomor massa | 229 |
|---|---|
| nomor neutron | 138 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,55 ± 0,04 d
|
| Spin | 5/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1949 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| ϵ (electron capture) | 99.51% |
| α (α emission) | 0.49% |
| Nomor massa | 230 |
|---|---|
| nomor neutron | 139 |
| bobot atom | |
| g-factor | 1 ± 0,1
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 17,4 ± 0,5 d
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1948 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 92.2% |
| β− (β− decay) | 7.8% |
| α (α emission) | 0.0032% |
| Nomor massa | 231 |
|---|---|
| nomor neutron | 140 |
| bobot atom | |
| g-factor | 1,3266666666667 ± 0,013333333333333
|
| natural abundance | 100
|
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 32,65 ± 0,2 ky
|
| Spin | 3/2 |
| nuclear quadrupole moment | -1,72 ± 0,05
|
| tanggal penemuan | 1918 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| α (α emission) | 100% |
| SF (spontaneous fission) | 3% |
| 24Ne (heavy cluster emission) | 13.4% |
| 23F | 9.9% |
| Nomor massa | 232 |
|---|---|
| nomor neutron | 141 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,32 ± 0,02 d
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1949 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| ϵ (electron capture) |
| Nomor massa | 233 |
|---|---|
| nomor neutron | 142 |
| bobot atom | |
| g-factor | 2,6666666666667 ± 0,46666666666667
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 26,975 ± 0,013 d
|
| Spin | 3/2 |
| nuclear quadrupole moment | -3 ± 0,4
|
| tanggal penemuan | 1938 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 234 |
|---|---|
| nomor neutron | 143 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 6,7 ± 0,05 h
|
| Spin | 4 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1913 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 235 |
|---|---|
| nomor neutron | 144 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 24,4 ± 0,2 m
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1950 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 236 |
|---|---|
| nomor neutron | 145 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 9,1 ± 0,1 m
|
| Spin | 1 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1963 |
| parity |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− SF (β−-delayed fission) | 6% |
| Nomor massa | 237 |
|---|---|
| nomor neutron | 146 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 8,7 ± 0,2 m
|
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1954 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 238 |
|---|---|
| nomor neutron | 147 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 2,28 ± 0,09 m
|
| Spin | 3 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1968 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− SF (β−-delayed fission) | 2.6% |
| Nomor massa | 239 |
|---|---|
| nomor neutron | 148 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,8 ± 0,5 h
|
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1995 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 240 |
|---|---|
| nomor neutron | 149 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 3 |
| nuclear quadrupole moment | |
| tanggal penemuan | |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) |
| Nomor massa | 241 |
|---|---|
| nomor neutron | 150 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) |
| penemu atau pencipta | Fredrich Soddy, John Cranston, Otto Hahn, Lise Meitner |
|---|---|
| tempat penemuan | England/France |
| tanggal penemuan | 1917 |
| etimologi | Greek: proto and actinium (parent of actinium); it forms actinium when it radioactively decays. |
| pelafalan | PRO-tak-tin-eh-em (Inggris) |
| Kelimpahan alami | |
|---|---|
| Kelimpahan di kerak bumi | |
| natural abundance (samudra) | |
| natural abundance (tubuh manusia) | 0 %
|
| natural abundance (Meteoroid) | |
| natural abundance (matahari) | |
| Kelimpahan di alam semesta | 0 %
|