Nomor atom | 95 |
---|---|
Massa atom | 243 |
Nomor massa | 223 |
Golongan | |
---|---|
Periode | 7 |
Blok | f |
Proton | 95 p+ |
---|---|
Neutron | 128 n0 |
Elektron | 95 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, 25, 8, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Rn] 5f7 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f7 7s2 |
bilangan oksidasi | 2, 3, 4, 5, 6, 7 |
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 | Perak
|
appearance | silvery white |
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 | paramagnetic |
Suseptibilitas magnetik batuan (Mass) | 0,0000000515 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | 0,00000001251 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | 0,000704
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | Segienam Sederhana () |
Konstanta kisi | |
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
Kekerasan | |
Modulus kompresi | |
Modulus geser | |
modulus Young | |
Rasio Poisson | |
kecepatan suara | |
klasifikasi | |
Kategori | Aktinida, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 39 |
Mendeleev Number | 26 |
Pettifor Number | 42 |
Geochemical Class | |
Klasifikasi Goldschmidt | synthetic |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
neutron cross section | 74
|
Neutron Mass Absorption | |
Bilangan kuantum | 8S7/2 |
Grup ruang | 194 (P63/mmc) |
Isotop stabil | 0 |
---|---|
Isotop tidak stabil | 27 |
Natural Isotopes | 0 |
Nomor massa | 223 |
---|---|
nomor neutron | 128 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10 ± 9 ms
|
Spin | 9/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2015 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 224 |
---|---|
nomor neutron | 129 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | |
nuclear quadrupole moment | |
tanggal penemuan | |
parity |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 225 |
---|---|
nomor neutron | 130 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 9/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 226 |
---|---|
nomor neutron | 131 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | |
nuclear quadrupole moment | |
tanggal penemuan | |
parity |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 227 |
---|---|
nomor neutron | 132 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 9/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 228 |
---|---|
nomor neutron | 133 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | |
nuclear quadrupole moment | |
tanggal penemuan | |
parity |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 229 |
---|---|
nomor neutron | 134 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,8 ± 1,5 s
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2015 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 230 |
---|---|
nomor neutron | 135 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 40 ± 9 s
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 2003 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ SF (β+-delayed fission) | 30% |
Nomor massa | 231 |
---|---|
nomor neutron | 136 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) |
Nomor massa | 232 |
---|---|
nomor neutron | 137 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,31 ± 0,04 m
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 1967 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 97% |
α (α emission) | |
β+ SF (β+-delayed fission) | 0.069% |
Nomor massa | 233 |
---|---|
nomor neutron | 138 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,2 ± 0,8 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2000 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) | 4.5% |
Nomor massa | 234 |
---|---|
nomor neutron | 139 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,32 ± 0,08 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1967 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.039% |
β+ SF (β+-delayed fission) | 0.0066% |
Nomor massa | 235 |
---|---|
nomor neutron | 140 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10,3 ± 0,6 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1996 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.6% |
α (α emission) | 0.4% |
Nomor massa | 236 |
---|---|
nomor neutron | 141 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,6 ± 0,1 m
|
Spin | 5 |
nuclear quadrupole moment | |
tanggal penemuan | 1998 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 4% |
Nomor massa | 237 |
---|---|
nomor neutron | 142 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 73,6 ± 0,8 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1970 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.975% |
α (α emission) | 0.025% |
Nomor massa | 238 |
---|---|
nomor neutron | 143 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 98 ± 3 m
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 1950 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 1% |
Nomor massa | 239 |
---|---|
nomor neutron | 144 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 11,9 ± 0,1 h
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1949 |
parity | - |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 99.99% |
α (α emission) | 0.01% |
Nomor massa | 240 |
---|---|
nomor neutron | 145 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 50,8 ± 0,3 h
|
Spin | 3 |
nuclear quadrupole moment | |
tanggal penemuan | 1949 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 1.9% |
Nomor massa | 241 |
---|---|
nomor neutron | 146 |
bobot atom | |
g-factor | 0,64 ± 0,004
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 432,6 ± 0,6 y
|
Spin | 5/2 |
nuclear quadrupole moment | 4,34 ± 0,05
|
tanggal penemuan | 1949 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 3.6% |
Nomor massa | 242 |
---|---|
nomor neutron | 147 |
bobot atom | |
g-factor | 0,3854 ± 0,0017
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 16,02 ± 0,02 h
|
Spin | 1 |
nuclear quadrupole moment | -2,4 ± 0,4
|
tanggal penemuan | 1949 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 82.7% |
ϵ (electron capture) | 17.3% |
Nomor massa | 243 |
---|---|
nomor neutron | 148 |
bobot atom | |
g-factor | 0,608 ± 0,004
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 7,35 ± 0,009 ky
|
Spin | 5/2 |
nuclear quadrupole moment | 4,32 ± 0,06
|
tanggal penemuan | 1950 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 3.7% |
Nomor massa | 244 |
---|---|
nomor neutron | 149 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10,01 ± 0,03 h
|
Spin | 6 |
nuclear quadrupole moment | |
tanggal penemuan | 1950 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 245 |
---|---|
nomor neutron | 150 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,05 ± 0,01 h
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1955 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 246 |
---|---|
nomor neutron | 151 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 39 ± 3 m
|
Spin | 7 |
nuclear quadrupole moment | |
tanggal penemuan | 1955 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 247 |
---|---|
nomor neutron | 152 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 23 ± 1,3 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1967 |
parity |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 248 |
---|---|
nomor neutron | 153 |
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 | 249 |
---|---|
nomor neutron | 154 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity |
modus peluruhan | intensitas |
---|---|
β− (β− decay) |
penemu atau pencipta | G.T.Seaborg, R.A.James, L.O.Morgan, A.Ghiorso |
---|---|
tempat penemuan | United States |
tanggal penemuan | 1945 |
etimologi | Named for the American continent, by analogy with europium. |
pelafalan | am-er-ISH-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 %
|