Nomor atom | 60 |
---|---|
Massa atom | 144.242 |
Nomor massa | 142 |
Golongan | |
---|---|
Periode | 6 |
Blok | f |
Proton | 60 p+ |
---|---|
Neutron | 82 n0 |
Elektron | 60 e- |
Jari-Jari Atom | 185 pm
|
---|---|
Volume molar | 20,6 cm³/mol
|
Jari-jari kovalen | 174 pm
|
Metallic Radius | |
Jari-jari ion | 129 pm
|
Crystal Radius | 143 pm
|
Jari-jari van der Waals |
239 pm
|
kepadatan | 7,01 g/cm³
|
Energi | |
---|---|
proton affinity | |
Afinitas elektron | 1,916 eV/particle
|
Energi ionisasi | 5,525 eV/particle
|
Panas penguapan | 289 kJ/mol
|
kalor peleburan | 7,1 kJ/mol
|
Perubahan entalpi pembentukan standar | 326,9 kJ/mol
|
Elektron | |
kelopak elektron | 2, 8, 18, 22, 8, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Xe] 4f4 6s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f4 6s2 |
bilangan oksidasi | 0, 2, 3, 4 |
elektronegativitas |
1.14
|
Electrophilicity Index | 1,9177223954003881 eV/particle
|
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | 3.347,15 K
|
Titik lebur | 1.289,15 K
|
critical pressure | |
critical temperature | |
Titik tripel | |
appearance | |
warna | Perak
|
appearance | silvery white |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | |
Pemuaian | 0,0000096 1/K
|
molar heat capacity | 27,45 J/(mol K)
|
Kapasitas kalor molar | 0,19 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
tipe | Conductor |
konduktivitas listrik | 1,6 MS/m
|
resistivitas listrik | 0,00000064 m Ω
|
superkonduktivitas | |
magnetisme | |
tipe | paramagnetic |
Suseptibilitas magnetik batuan (Mass) | 0,00000048 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | 0,000000069235 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | 0,0033648
|
magnetic ordering | |
Curie temperature | |
Néel temperature | 19,2 K
|
struktur | |
Struktur kristal | Segienam Sederhana (HEX) |
Konstanta kisi | 3,66 Å
|
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
Kekerasan | |
Modulus kompresi | 32 GPa
|
Modulus geser | 16 GPa
|
modulus Young | 41 GPa
|
Rasio Poisson | 0,28
|
kecepatan suara | 2.330 m/s
|
klasifikasi | |
Kategori | Lantanida, Lanthanides |
CAS Group | |
IUPAC Group | |
Glawe Number | 29 |
Mendeleev Number | 19 |
Pettifor Number | 30 |
Geochemical Class | rare earth & related |
Klasifikasi Goldschmidt | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
neutron cross section | 49
|
Neutron Mass Absorption | 0,011
|
Bilangan kuantum | 5I4 |
Grup ruang | 194 (P63/mmc) |
Isotop stabil | 2 |
---|---|
Isotop tidak stabil | 38 |
Natural Isotopes | 7 |
Nomor massa | 124 |
---|---|
nomor neutron | 64 |
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 |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
Nomor massa | 125 |
---|---|
nomor neutron | 65 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 650 ± 150 ms
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1999 |
parity |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0% |
Nomor massa | 126 |
---|---|
nomor neutron | 66 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2000 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
Nomor massa | 127 |
---|---|
nomor neutron | 67 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,8 ± 0,4 s
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1983 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Nomor massa | 128 |
---|---|
nomor neutron | 68 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) |
Nomor massa | 129 |
---|---|
nomor neutron | 69 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 6,8 ± 0,6 s
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1977 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Nomor massa | 130 |
---|---|
nomor neutron | 70 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 21 ± 3 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 131 |
---|---|
nomor neutron | 71 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 25,4 ± 0,9 s
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Nomor massa | 132 |
---|---|
nomor neutron | 72 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,56 ± 0,1 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 133 |
---|---|
nomor neutron | 73 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 70 ± 10 s
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 134 |
---|---|
nomor neutron | 74 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,5 ± 1,5 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1970 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 135 |
---|---|
nomor neutron | 75 |
bobot atom | |
g-factor | -0,17333333333333 ± 0,0066666666666667
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 12,4 ± 0,6 m
|
Spin | 9/2 |
nuclear quadrupole moment | 1,9 ± 0,5
|
tanggal penemuan | 1970 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 136 |
---|---|
nomor neutron | 76 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 50,65 ± 0,33 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1968 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 137 |
---|---|
nomor neutron | 77 |
bobot atom | |
g-factor | -1,264 ± 0,01
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 38,5 ± 1,5 m
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1970 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 138 |
---|---|
nomor neutron | 78 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5,04 ± 0,09 h
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1965 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 139 |
---|---|
nomor neutron | 79 |
bobot atom | |
g-factor | 0,60333333333333 ± 0,0046666666666667
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 29,7 ± 0,5 m
|
Spin | 3/2 |
nuclear quadrupole moment | 0,28 ± 0,09
|
tanggal penemuan | 1951 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 140 |
---|---|
nomor neutron | 80 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,37 ± 0,02 d
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 100% |
Nomor massa | 141 |
---|---|
nomor neutron | 81 |
bobot atom | |
g-factor | 0,67333333333333 ± 0,006
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,49 ± 0,03 h
|
Spin | 3/2 |
nuclear quadrupole moment | 0,32 ± 0,13
|
tanggal penemuan | 1949 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
ϵ (electron capture) | 97.28% |
e+ (positron emission) | 2.72% |
Nomor massa | 142 |
---|---|
nomor neutron | 82 |
bobot atom | |
g-factor | 0
|
natural abundance | 27,153 ± 0,04
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1924 |
parity | + |
Nomor massa | 143 |
---|---|
nomor neutron | 83 |
bobot atom | |
g-factor | -0,30428571428571 ± 0,0014285714285714
|
natural abundance | 12,173 ± 0,026
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 7/2 |
nuclear quadrupole moment | -0,61 ± 0,02
|
tanggal penemuan | 1933 |
parity | - |
Nomor massa | 144 |
---|---|
nomor neutron | 84 |
bobot atom | |
g-factor | 0
|
natural abundance | 23,798 ± 0,019
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,29 ± 0,16 Py
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1924 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
Nomor massa | 145 |
---|---|
nomor neutron | 85 |
bobot atom | |
g-factor | -0,18742857142857 ± 0,0011428571428571
|
natural abundance | 8,293 ± 0,012
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 7/2 |
nuclear quadrupole moment | -0,314 ± 0,012
|
tanggal penemuan | 1933 |
parity | - |
modus peluruhan | intensitas |
---|---|
α (α emission) |
Nomor massa | 146 |
---|---|
nomor neutron | 86 |
bobot atom | |
g-factor | 0
|
natural abundance | 17,189 ± 0,032
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1924 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β− (double β− decay) | |
α (α emission) |
Nomor massa | 147 |
---|---|
nomor neutron | 87 |
bobot atom | |
g-factor | 0,2216 ± 0,004
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 10,98 ± 0,01 d
|
Spin | 5/2 |
nuclear quadrupole moment | 0,9 ± 0,3
|
tanggal penemuan | 1947 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 148 |
---|---|
nomor neutron | 88 |
bobot atom | |
g-factor | 0
|
natural abundance | 5,756 ± 0,021
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1937 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β− (double β− decay) | |
α (α emission) |
Nomor massa | 149 |
---|---|
nomor neutron | 89 |
bobot atom | |
g-factor | 0,1404 ± 0,004
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,728 ± 0,001 h
|
Spin | 5/2 |
nuclear quadrupole moment | 1,3 ± 0,3
|
tanggal penemuan | 1938 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 150 |
---|---|
nomor neutron | 90 |
bobot atom | |
g-factor | 0
|
natural abundance | 5,638 ± 0,028
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 9,3 ± 0,7 Ey
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1937 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β− (double β− decay) | 100% |
Nomor massa | 151 |
---|---|
nomor neutron | 91 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 12,44 ± 0,07 m
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1938 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 152 |
---|---|
nomor neutron | 92 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 11,4 ± 0,2 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1969 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 153 |
---|---|
nomor neutron | 93 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 31,6 ± 1 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1987 |
parity |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 154 |
---|---|
nomor neutron | 94 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 25,9 ± 0,2 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1970 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 155 |
---|---|
nomor neutron | 95 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,9 ± 0,2 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1986 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 156 |
---|---|
nomor neutron | 96 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5,06 ± 0,13 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1987 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 157 |
---|---|
nomor neutron | 97 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,15 ± 0,03 s
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1992 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 158 |
---|---|
nomor neutron | 98 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 810 ± 30 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1992 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 159 |
---|---|
nomor neutron | 99 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 500 ± 30 ms
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2012 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 160 |
---|---|
nomor neutron | 100 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 439 ± 37 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 161 |
---|---|
nomor neutron | 101 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 215 ± 76 ms
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2012 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 162 |
---|---|
nomor neutron | 102 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 310 ± 200 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2012 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 163 |
---|---|
nomor neutron | 103 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2018 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) |
penemu atau pencipta | C.F. Aver von Welsbach |
---|---|
tempat penemuan | Austria |
tanggal penemuan | 1925 |
etimologi | Greek: neos and didymos (new twin). |
pelafalan | nee-eh-DIM-i-em (Inggris) |
1 | s | 1.1868 |
2 | p | 4.2434 |
2 | s | 15.7838 |
3 | d | 13.8432 |
3 | p | 19.311 |
3 | s | 19.6572 |
4 | d | 33.1908 |
4 | f | 37.734 |
4 | p | 29.986 |
4 | s | 29.0136 |
5 | p | 43.039 |
5 | s | 41.2575 |
6 | s | 50.6934 |