Nomor atom | 64 |
---|---|
Massa atom | 157.25 |
Nomor massa | 158 |
Golongan | |
---|---|
Periode | 6 |
Blok | f |
Proton | 64 p+ |
---|---|
Neutron | 94 n0 |
Elektron | 64 e- |
Jari-Jari Atom | 180 pm
|
---|---|
Volume molar | 19,9 cm³/mol
|
Jari-jari kovalen | 169 pm
|
Metallic Radius | |
Jari-jari ion | 93,8 pm
|
Crystal Radius | 107,8 pm
|
Jari-jari van der Waals |
234 pm
|
kepadatan | 7,9 g/cm³
|
Energi | |
---|---|
proton affinity | |
Afinitas elektron | |
Energi ionisasi | 6,149796 eV/particle
|
Panas penguapan | 398 kJ/mol
|
kalor peleburan | |
Perubahan entalpi pembentukan standar | 397,5 kJ/mol
|
Elektron | |
kelopak elektron | 2, 8, 18, 25, 9, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Xe] 4f7 5d1 6s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f7 5d1 6s2 |
bilangan oksidasi | 0, 1, 2, 3 |
elektronegativitas |
1.2
|
Electrophilicity Index | |
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | 3.546,15 K
|
Titik lebur | 1.586,15 K
|
critical pressure | |
critical temperature | |
Titik tripel | |
appearance | |
warna | Perak
|
appearance | silvery white |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | |
Pemuaian | 0,0000094 1/K
|
molar heat capacity | 37,03 J/(mol K)
|
Kapasitas kalor molar | 0,236 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
tipe | Conductor |
konduktivitas listrik | 0,77 MS/m
|
resistivitas listrik | 0,0000013 m Ω
|
superkonduktivitas | |
magnetisme | |
tipe | ferromagnetic |
Suseptibilitas magnetik batuan (Mass) | |
Suseptibilitas magnetik batuan (Molar) | |
Suseptibilitas magnetik batuan (Volume) | |
magnetic ordering | |
Curie temperature | 292 K
|
Néel temperature | |
struktur | |
Struktur kristal | Segienam Sederhana (HEX) |
Konstanta kisi | 3,64 Å
|
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
Kekerasan | |
Modulus kompresi | 38 GPa
|
Modulus geser | 22 GPa
|
modulus Young | 55 GPa
|
Rasio Poisson | 0,26
|
kecepatan suara | 2.680 m/s
|
klasifikasi | |
Kategori | Lantanida, Lanthanides |
CAS Group | |
IUPAC Group | |
Glawe Number | 26 |
Mendeleev Number | 27 |
Pettifor Number | 27 |
Geochemical Class | rare earth & related |
Klasifikasi Goldschmidt | litophile |
Gas Basicity | |
---|---|
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
neutron cross section | 49.000
|
Neutron Mass Absorption | 7,3
|
Bilangan kuantum | 9D2 |
Grup ruang | 194 (P63/mmc) |
Isotop stabil | 5 |
---|---|
Isotop tidak stabil | 35 |
Natural Isotopes | 7 |
Nomor massa | 133 |
---|---|
nomor neutron | 69 |
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+) | |
β+ p (β+-delayed proton emission) |
Nomor massa | 134 |
---|---|
nomor neutron | 70 |
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 | 135 |
---|---|
nomor neutron | 71 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,1 ± 0,2 s
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1996 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 2% |
Nomor massa | 136 |
---|---|
nomor neutron | 72 |
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 | 137 |
---|---|
nomor neutron | 73 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,2 ± 0,2 s
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1999 |
parity |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Nomor massa | 138 |
---|---|
nomor neutron | 74 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,7 ± 0,9 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 139 |
---|---|
nomor neutron | 75 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5,7 ± 0,3 s
|
Spin | 9/2 |
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 | 140 |
---|---|
nomor neutron | 76 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 15,8 ± 0,4 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
e+ (positron emission) | 67% |
ϵ (electron capture) | 33% |
Nomor massa | 141 |
---|---|
nomor neutron | 77 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 14 ± 4 s
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1986 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 0.03% |
Nomor massa | 142 |
---|---|
nomor neutron | 78 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 70,2 ± 0,6 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1986 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
ϵ (electron capture) | 52% |
e+ (positron emission) | 48% |
Nomor massa | 143 |
---|---|
nomor neutron | 79 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 39 ± 2 s
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1975 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | |
β+α (β+-delayed α emission) |
Nomor massa | 144 |
---|---|
nomor neutron | 80 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,47 ± 0,06 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1968 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 145 |
---|---|
nomor neutron | 81 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 23 ± 0,4 m
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1959 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 146 |
---|---|
nomor neutron | 82 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 48,27 ± 0,09 d
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1957 |
parity | + |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 100% |
Nomor massa | 147 |
---|---|
nomor neutron | 83 |
bobot atom | |
g-factor | 0,29142857142857 ± 0,025714285714286
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 38,06 ± 0,12 h
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1957 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 148 |
---|---|
nomor neutron | 84 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 71,3 ± 1 y
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1953 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
2β+ (double β+ decay) |
Nomor massa | 149 |
---|---|
nomor neutron | 85 |
bobot atom | |
g-factor | 0,25142857142857 ± 0,011428571428571
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 9,28 ± 0,1 d
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1951 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
α (α emission) | 4.3% |
Nomor massa | 150 |
---|---|
nomor neutron | 86 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,79 ± 0,08 My
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1953 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
2β+ (double β+ decay) |
Nomor massa | 151 |
---|---|
nomor neutron | 87 |
bobot atom | |
g-factor | 0,22 ± 0,017142857142857
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 123,9 ± 1 d
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1950 |
parity | - |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 100% |
α (α emission) | 1.1% |
Nomor massa | 152 |
---|---|
nomor neutron | 88 |
bobot atom | |
g-factor | 0
|
natural abundance | 0,2 ± 0,03
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 108 ± 8 Ty
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1938 |
parity | + |
modus peluruhan | intensitas |
---|---|
α (α emission) | 100% |
2β+ (double β+ decay) |
Nomor massa | 153 |
---|---|
nomor neutron | 89 |
bobot atom | |
g-factor | 0,25333333333333 ± 0,053333333333333
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 240,6 ± 0,7 d
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1947 |
parity | - |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 100% |
Nomor massa | 154 |
---|---|
nomor neutron | 90 |
bobot atom | |
g-factor | 0
|
natural abundance | 2,18 ± 0,02
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1938 |
parity | + |
Nomor massa | 155 |
---|---|
nomor neutron | 91 |
bobot atom | |
g-factor | -0,17273333333333 ± 0,00026666666666667
|
natural abundance | 14,8 ± 0,09
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 3/2 |
nuclear quadrupole moment | 1,27 ± 0,03
|
tanggal penemuan | 1933 |
parity | - |
Nomor massa | 156 |
---|---|
nomor neutron | 92 |
bobot atom | |
g-factor | 0
|
natural abundance | 20,47 ± 0,03
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1933 |
parity | + |
Nomor massa | 157 |
---|---|
nomor neutron | 93 |
bobot atom | |
g-factor | -0,22653333333333 ± 0,0004
|
natural abundance | 15,65 ± 0,04
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 3/2 |
nuclear quadrupole moment | 1,35 ± 0,03
|
tanggal penemuan | 1933 |
parity | - |
Nomor massa | 158 |
---|---|
nomor neutron | 94 |
bobot atom | |
g-factor | 0
|
natural abundance | 24,84 ± 0,08
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1933 |
parity | + |
Nomor massa | 159 |
---|---|
nomor neutron | 95 |
bobot atom | |
g-factor | -0,29333333333333 ± 0,02
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 18,479 ± 0,004 h
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1949 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 160 |
---|---|
nomor neutron | 96 |
bobot atom | |
g-factor | 0
|
natural abundance | 21,86 ± 0,03
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1933 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β− (double β− decay) |
Nomor massa | 161 |
---|---|
nomor neutron | 97 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,646 ± 0,003 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1949 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 162 |
---|---|
nomor neutron | 98 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,4 ± 0,2 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1967 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 163 |
---|---|
nomor neutron | 99 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 68 ± 3 s
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1982 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 164 |
---|---|
nomor neutron | 100 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 45 ± 3 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1988 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 165 |
---|---|
nomor neutron | 101 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 11,6 ± 1 s
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1998 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 166 |
---|---|
nomor neutron | 102 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5,1 ± 0,8 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2005 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 167 |
---|---|
nomor neutron | 103 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,2 ± 0,3 s
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2012 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 168 |
---|---|
nomor neutron | 104 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,03 ± 0,16 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 169 |
---|---|
nomor neutron | 105 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 750 ± 210 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 | 170 |
---|---|
nomor neutron | 106 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 420 ± 130 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2012 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 171 |
---|---|
nomor neutron | 107 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 9/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2018 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) |
Nomor massa | 172 |
---|---|
nomor neutron | 108 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2018 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) |
penemu atau pencipta | Jean de Marignac |
---|---|
tempat penemuan | Switzerland |
tanggal penemuan | 1880 |
etimologi | Named after the mineral gadolinite. |
pelafalan | GAD-eh-LIN-i-em (Inggris) |
1 | s | 1.2565 |
2 | p | 4.2946 |
2 | s | 16.783 |
3 | d | 13.723 |
3 | p | 19.8508 |
3 | s | 20.2903 |
4 | d | 34.3664 |
4 | f | 38.9864 |
4 | p | 31.3532 |
4 | s | 30.556 |
5 | p | 47.236 |
5 | s | 45.118 |
6 | s | 55.7854 |