Nomor atom | 99 |
---|---|
Massa atom | 252 |
Nomor massa | 239 |
Golongan | |
---|---|
Periode | 7 |
Blok | f |
Proton | 99 p+ |
---|---|
Neutron | 140 n0 |
Elektron | 99 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, 29, 8, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Rn] 5f11 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f11 7s2 |
bilangan oksidasi | 2, 3, 4 |
elektronegativitas | |
Electrophilicity Index | |
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | |
Titik lebur | |
critical pressure | |
critical temperature | |
Titik tripel | |
appearance | |
warna | Tak berwarna
|
appearance | silver-colored |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | |
Pemuaian | |
molar heat capacity | |
Kapasitas kalor molar | |
heat capacity ratio | |
electrical properties | |
tipe | |
konduktivitas listrik | |
resistivitas listrik | |
superkonduktivitas | |
magnetisme | |
tipe | |
Suseptibilitas magnetik batuan (Mass) | |
Suseptibilitas magnetik batuan (Molar) | |
Suseptibilitas magnetik batuan (Volume) | |
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | () |
Konstanta kisi | |
Lattice Angles | |
mechanical property | |
Kekerasan | |
Modulus kompresi | |
Modulus geser | |
modulus Young | |
Rasio Poisson | |
kecepatan suara | |
klasifikasi | |
Kategori | Aktinida, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 43 |
Mendeleev Number | 34 |
Pettifor Number | 38 |
Geochemical Class | |
Klasifikasi Goldschmidt | synthetic |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
neutron cross section | 160
|
Neutron Mass Absorption | |
Bilangan kuantum | 5I15/2 |
Grup ruang | () |
Isotop stabil | 0 |
---|---|
Isotop tidak stabil | 20 |
Natural Isotopes | 0 |
Nomor massa | 239 |
---|---|
nomor neutron | 140 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
β+ (β+ decay; β+ = ϵ + e+) | |
SF (spontaneous fission) |
Nomor massa | 240 |
---|---|
nomor neutron | 141 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 6 ± 1,7 s
|
Spin | 4 |
nuclear quadrupole moment | |
tanggal penemuan | 2017 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 70% |
β+ (β+ decay; β+ = ϵ + e+) | 30% |
β+ SF (β+-delayed fission) | 0.16% |
Nomor massa | 241 |
---|---|
nomor neutron | 142 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5,1 ± 0,8 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1996 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 242 |
---|---|
nomor neutron | 143 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 17,8 ± 1,6 s
|
Spin | 2 |
nuclear quadrupole moment | |
tanggal penemuan | 1994 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 57% |
β+ (β+ decay; β+ = ϵ + e+) | 43% |
β+ SF (β+-delayed fission) | 0.6% |
Nomor massa | 243 |
---|---|
nomor neutron | 144 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 22,1 ± 1,4 s
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 61% |
β+ (β+ decay; β+ = ϵ + e+) | |
SF (spontaneous fission) | 1% |
Nomor massa | 244 |
---|---|
nomor neutron | 145 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 37 ± 4 s
|
Spin | 6 |
nuclear quadrupole moment | |
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 95% |
α (α emission) | 5% |
β+ SF (β+-delayed fission) | 0.011% |
Nomor massa | 245 |
---|---|
nomor neutron | 146 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,11 ± 0,06 m
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1967 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 51% |
α (α emission) | 49% |
Nomor massa | 246 |
---|---|
nomor neutron | 147 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 7,5 ± 0,5 m
|
Spin | 4 |
nuclear quadrupole moment | |
tanggal penemuan | 1954 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 90.1% |
α (α emission) | 9.9% |
β+ SF (β+-delayed fission) | 0.003% |
Nomor massa | 247 |
---|---|
nomor neutron | 148 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,55 ± 0,26 m
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1967 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 93% |
α (α emission) | 7% |
SF (spontaneous fission) |
Nomor massa | 248 |
---|---|
nomor neutron | 149 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 24 ± 3 m
|
Spin | 2 |
nuclear quadrupole moment | |
tanggal penemuan | 1956 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.25% |
β+ SF (β+-delayed fission) | 3.5% |
Nomor massa | 249 |
---|---|
nomor neutron | 150 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 102,2 ± 0,6 m
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1956 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.57% |
Nomor massa | 250 |
---|---|
nomor neutron | 151 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,6 ± 0,1 h
|
Spin | 6 |
nuclear quadrupole moment | |
tanggal penemuan | 1956 |
parity |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) |
Nomor massa | 251 |
---|---|
nomor neutron | 152 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 33 ± 1 h
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1956 |
parity | - |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 99.5% |
α (α emission) | 0.5% |
Nomor massa | 252 |
---|---|
nomor neutron | 153 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 471,7 ± 1,9 d
|
Spin | 4 |
nuclear quadrupole moment | |
tanggal penemuan | 1956 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 78% |
ϵ (electron capture) | 22% |
Nomor massa | 253 |
---|---|
nomor neutron | 154 |
bobot atom | |
g-factor | 1,1714285714286 ± 0,02
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 20,47 ± 0,03 d
|
Spin | 7/2 |
nuclear quadrupole moment | 6,7 ± 0,8
|
tanggal penemuan | 1954 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 8.7% |
Nomor massa | 254 |
---|---|
nomor neutron | 155 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 275,7 ± 0,5 d
|
Spin | 7 |
nuclear quadrupole moment | |
tanggal penemuan | 1954 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
ϵ (electron capture) | |
β− (β− decay) | 1.74% |
SF (spontaneous fission) | 3% |
Nomor massa | 255 |
---|---|
nomor neutron | 156 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 39,8 ± 1,2 d
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1954 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 92% |
α (α emission) | 8% |
SF (spontaneous fission) | 0.0041% |
Nomor massa | 256 |
---|---|
nomor neutron | 157 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 7,6 h
|
Spin | 7 |
nuclear quadrupole moment | |
tanggal penemuan | 1976 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− SF (β−-delayed fission) | 0.002% |
Nomor massa | 257 |
---|---|
nomor neutron | 158 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 7,7 ± 0,2 d
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1987 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
α (α emission) |
Nomor massa | 258 |
---|---|
nomor neutron | 159 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | |
nuclear quadrupole moment | |
tanggal penemuan | |
parity |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
α (α emission) |
penemu atau pencipta | Argonne, Los Alamos, U of Calif |
---|---|
tempat penemuan | United States |
tanggal penemuan | 1952 |
etimologi | Named in honor of the scientist Albert Einstein. |
pelafalan | ine-STINE-i-em (Inggris) |
Kelimpahan alami | |
---|---|
Kelimpahan di kerak bumi | |
natural abundance (samudra) | |
natural abundance (tubuh manusia) | 0 %
|
natural abundance (Meteoroid) | 0 %
|
natural abundance (matahari) | 0 %
|
Kelimpahan di alam semesta | 0 %
|