Nomor atom | 94 |
---|---|
Massa atom | 244 |
Nomor massa | 221 |
Golongan | |
---|---|
Periode | 7 |
Blok | f |
Proton | 94 p+ |
---|---|
Neutron | 127 n0 |
Elektron | 94 e- |
Jari-Jari Atom | 175 pm
|
---|---|
Volume molar | |
Jari-jari kovalen | 172 pm
|
Metallic Radius | |
Jari-jari ion | 100 pm
|
Crystal Radius | 114 pm
|
Jari-jari van der Waals |
243 pm
|
kepadatan | 19,7 g/cm³
|
Energi | |
---|---|
proton affinity | |
Afinitas elektron | |
Energi ionisasi | 6,0258 eV/particle
|
Panas penguapan | 343,5 kJ/mol
|
kalor peleburan | 2,8 kJ/mol
|
Perubahan entalpi pembentukan standar | 345 kJ/mol
|
Elektron | |
kelopak elektron | 2, 8, 18, 32, 24, 8, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Rn] 5f6 7s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 4f14 5d10 6p6 5f6 7s2 |
bilangan oksidasi | 2, 3, 4, 5, 6, 7, 8 |
elektronegativitas |
1.3
|
Electrophilicity Index | |
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | 3.501,15 K
|
Titik lebur | 913,15 K
|
critical pressure | |
critical temperature | |
Titik tripel | |
appearance | |
warna | Perak
|
appearance | silvery white, tarnishing to dark gray in air |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | |
Pemuaian | |
molar heat capacity | |
Kapasitas kalor molar | |
heat capacity ratio | |
electrical properties | |
tipe | Conductor |
konduktivitas listrik | 0,67 MS/m
|
resistivitas listrik | 0,0000015 m Ω
|
superkonduktivitas | |
magnetisme | |
tipe | paramagnetic |
Suseptibilitas magnetik batuan (Mass) | 0,0000000317 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | 0,000000007735 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | 0,0006282
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | Monoklinik Sederhana (MCL) |
Konstanta kisi | |
Lattice Angles | π/2, 1.776571, π/2 |
mechanical property | |
Kekerasan | |
Modulus kompresi | |
Modulus geser | 43 GPa
|
modulus Young | 96 GPa
|
Rasio Poisson | 0,21
|
kecepatan suara | 2.260 m/s
|
klasifikasi | |
Kategori | Aktinida, Actinides |
CAS Group | |
IUPAC Group | |
Glawe Number | 38 |
Mendeleev Number | 24 |
Pettifor Number | 43 |
Geochemical Class | |
Klasifikasi Goldschmidt | synthetic |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
neutron cross section | 1,7
|
Neutron Mass Absorption | |
Bilangan kuantum | 7F0 |
Grup ruang | 11 (P121/m1) |
Isotop stabil | 0 |
---|---|
Isotop tidak stabil | 27 |
Natural Isotopes | 0 |
Nomor massa | 221 |
---|---|
nomor neutron | 127 |
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 | 222 |
---|---|
nomor neutron | 128 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 223 |
---|---|
nomor neutron | 129 |
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 | 224 |
---|---|
nomor neutron | 130 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 225 |
---|---|
nomor neutron | 131 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 226 |
---|---|
nomor neutron | 132 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | |
SF (spontaneous fission) |
Nomor massa | 227 |
---|---|
nomor neutron | 133 |
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) |
Nomor massa | 228 |
---|---|
nomor neutron | 134 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,1 ± 1,3 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1994 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 229 |
---|---|
nomor neutron | 135 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 91 ± 26 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1994 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 50% |
β+ (β+ decay; β+ = ϵ + e+) | 50% |
SF (spontaneous fission) | 7% |
Nomor massa | 230 |
---|---|
nomor neutron | 136 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 105 ± 10 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1990 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 231 |
---|---|
nomor neutron | 137 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,6 ± 0,5 m
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1999 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
α (α emission) | 13% |
Nomor massa | 232 |
---|---|
nomor neutron | 138 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 33,7 ± 0,5 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1973 |
parity | + |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | |
α (α emission) | 20% |
Nomor massa | 233 |
---|---|
nomor neutron | 139 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 20,9 ± 0,4 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1957 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 0.12% |
Nomor massa | 234 |
---|---|
nomor neutron | 140 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,8 ± 0,1 h
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 94% |
α (α emission) | 6% |
Nomor massa | 235 |
---|---|
nomor neutron | 141 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 25,3 ± 0,5 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1957 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 99.9972% |
α (α emission) | 0.0028% |
Nomor massa | 236 |
---|---|
nomor neutron | 142 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,858 ± 0,008 y
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 1.9% |
28Mg | 2% |
2β+ (double β+ decay) |
Nomor massa | 237 |
---|---|
nomor neutron | 143 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 45,64 ± 0,04 d
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1949 |
parity | - |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 99.9958% |
α (α emission) | 0.0042% |
Nomor massa | 238 |
---|---|
nomor neutron | 144 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 87,7 ± 0,1 y
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 1.9% |
32Si | 1.4% |
30Mg | 6% |
Nomor massa | 239 |
---|---|
nomor neutron | 145 |
bobot atom | |
g-factor | 0,404 ± 0,008
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 24,11 ± 0,03 ky
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1946 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 3.1% |
Nomor massa | 240 |
---|---|
nomor neutron | 146 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 6,561 ± 0,007 ky
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 5.796% |
34Si | 1.3% |
Nomor massa | 241 |
---|---|
nomor neutron | 147 |
bobot atom | |
g-factor | -0,2712 ± 0,0056
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 14,329 ± 0,029 y
|
Spin | 5/2 |
nuclear quadrupole moment | 6
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
α (α emission) | 0.00245% |
SF (spontaneous fission) | 2.4% |
Nomor massa | 242 |
---|---|
nomor neutron | 148 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 375 ± 2 ky
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1950 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
SF (spontaneous fission) | 5.51% |
Nomor massa | 243 |
---|---|
nomor neutron | 149 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,9553 ± 0,0025 h
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1951 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 244 |
---|---|
nomor neutron | 150 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 81,3 ± 0,3 My
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1954 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 99.877% |
SF (spontaneous fission) | 0.123% |
2β− (double β− decay) | 7.3% |
Nomor massa | 245 |
---|---|
nomor neutron | 151 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10,5 ± 0,1 h
|
Spin | 9/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1955 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 246 |
---|---|
nomor neutron | 152 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10,84 ± 0,02 d
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1955 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
penemu atau pencipta | G.T.Seaborg, J.W.Kennedy, E.M.McMillan, A.C.Wohl |
---|---|
tempat penemuan | United States |
tanggal penemuan | 1940 |
etimologi | Named for the planet Pluto. |
pelafalan | ploo-TOE-ni-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 %
|