Nomor atom | 59 |
---|---|
Massa atom | 140.90766 |
Nomor massa | 141 |
Golongan | |
---|---|
Periode | 6 |
Blok | f |
Proton | 59 p+ |
---|---|
Neutron | 82 n0 |
Elektron | 59 e- |
sifat fisik | |
---|---|
Jari-jari atom | 185 pm
|
Volume molar | 20,8 cm³/mol
|
Jari-jari kovalen | 176 pm
|
Metallic Radius | |
Jari-jari ion | 99 pm
|
Crystal Radius | 113 pm
|
Jari-jari van der Waals |
240 pm
|
kepadatan | 6,773 g/cm³
|
Energi | |
proton affinity | |
Afinitas elektron | 0,962 eV/particle
|
Energi ionisasi | 5,473 eV/particle
|
Panas penguapan | 331 kJ/mol
|
kalor peleburan | 11,3 kJ/mol
|
Perubahan entalpi pembentukan standar | 356,9 kJ/mol
|
Elektron | |
kelopak elektron | 2, 8, 18, 21, 8, 2 |
Elektron valensi | 2 ⓘ |
konfigurasi elektron | [Xe] 4f3 6s2ⓘ 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 4f3 6s2 |
bilangan oksidasi | 0, 1, 2, 3, 4, 5 |
elektronegativitas |
1.13
|
Electrophilicity Index | 1,1474513688760803 eV/particle
|
kondisi dasar materi | |
fase zat | Solid |
gaseous state of matter | |
Titik didih | 3.793,15 K
|
Titik lebur | 1.204,15 K
|
critical pressure | |
critical temperature | |
Titik tripel | |
appearance | |
warna | Perak
|
appearance | grayish white |
Indeks bias | |
thermodynamic material property | |
Kondusivitas termal | 12,5 W/(m K)
|
Pemuaian | 0,0000067 1/K
|
molar heat capacity | 27,2 J/(mol K)
|
Kapasitas kalor molar | 0,193 J/(g⋅K)
|
heat capacity ratio | |
electrical properties | |
tipe | Conductor |
konduktivitas listrik | 1,4 MS/m
|
resistivitas listrik | 0,0000007 m Ω
|
superkonduktivitas | |
magnetisme | |
tipe | paramagnetic |
Suseptibilitas magnetik batuan (Mass) | 0,000000423 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | 0,000000059604 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | 0,0028087
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | Segienam Sederhana (HEX) |
Konstanta kisi | 3,67 Å
|
Lattice Angles | π/2, π/2, 2 π/3 |
mechanical property | |
Kekerasan | |
Modulus kompresi | 29 GPa
|
Modulus geser | 15 GPa
|
modulus Young | 37 GPa
|
Rasio Poisson | 0,28
|
kecepatan suara | 2.280 m/s
|
klasifikasi | |
Kategori | Lantanida, Lanthanides |
CAS Group | |
IUPAC Group | |
Glawe Number | 30 |
Mendeleev Number | 17 |
Pettifor Number | 31 |
Geochemical Class | rare earth & related |
Klasifikasi Goldschmidt | litophile |
lain-lain | |
Gas Basicity | |
polarizability | |
C6 Dispersion Coefficient | |
allotrope | |
neutron cross section | 11,4
|
Neutron Mass Absorption | 0,0029
|
Bilangan kuantum | 4I9/2 |
Grup ruang | 194 (P63/mmc) |
Isotop stabil | 1 |
---|---|
Isotop tidak stabil | 40 |
Radioactive Isotopes | 40 |
Nomor massa | 121 |
---|---|
nomor neutron | 62 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 12 ± 5 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2005 |
parity |
modus peluruhan | intensitas |
---|---|
p (proton emission) | 100% |
Nomor massa | 122 |
---|---|
nomor neutron | 63 |
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; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
Nomor massa | 123 |
---|---|
nomor neutron | 64 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | |
β+ p (β+-delayed proton emission) |
Nomor massa | 124 |
---|---|
nomor neutron | 65 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,2 ± 0,2 s
|
Spin | |
nuclear quadrupole moment | |
tanggal penemuan | 1986 |
parity |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Nomor massa | 125 |
---|---|
nomor neutron | 66 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,3 ± 0,7 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2002 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Nomor massa | 126 |
---|---|
nomor neutron | 67 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,12 ± 0,18 s
|
Spin | 4 |
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 | 127 |
---|---|
nomor neutron | 68 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,2 ± 0,3 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1995 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 128 |
---|---|
nomor neutron | 69 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,85 ± 0,09 s
|
Spin | 3 |
nuclear quadrupole moment | |
tanggal penemuan | 1985 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) |
Nomor massa | 129 |
---|---|
nomor neutron | 70 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 30 ± 4 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 130 |
---|---|
nomor neutron | 71 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 40 ± 0,4 s
|
Spin | 6 |
nuclear quadrupole moment | |
tanggal penemuan | 1977 |
parity |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 131 |
---|---|
nomor neutron | 72 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,5 ± 0,03 m
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 132 |
---|---|
nomor neutron | 73 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,49 ± 0,11 m
|
Spin | 2 |
nuclear quadrupole moment | |
tanggal penemuan | 1974 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 133 |
---|---|
nomor neutron | 74 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 6,5 ± 0,3 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1970 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 134 |
---|---|
nomor neutron | 75 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 17 ± 2 m
|
Spin | 2 |
nuclear quadrupole moment | |
tanggal penemuan | 1967 |
parity | - |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 135 |
---|---|
nomor neutron | 76 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 24 ± 1 m
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1954 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 136 |
---|---|
nomor neutron | 77 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 13,1 ± 0,1 m
|
Spin | 2 |
nuclear quadrupole moment | |
tanggal penemuan | 1968 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 137 |
---|---|
nomor neutron | 78 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,28 ± 0,03 h
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1958 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 138 |
---|---|
nomor neutron | 79 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,45 ± 0,05 m
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 1951 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 139 |
---|---|
nomor neutron | 80 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,41 ± 0,04 h
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1951 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 140 |
---|---|
nomor neutron | 81 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,39 ± 0,01 m
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 1938 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
e+ (positron emission) | 48.7% |
ϵ (electron capture) | 51.3% |
Nomor massa | 141 |
---|---|
nomor neutron | 82 |
bobot atom | |
g-factor | 1,7064 ± 0,0012
|
natural abundance | 100
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 5/2 |
nuclear quadrupole moment | -0,077 ± 0,006
|
tanggal penemuan | 1924 |
parity | + |
Nomor massa | 142 |
---|---|
nomor neutron | 83 |
bobot atom | |
g-factor | 0,117 ± 0,0005
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 19,12 ± 0,04 h
|
Spin | 2 |
nuclear quadrupole moment | 0,039 ± 0,017
|
tanggal penemuan | 1935 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
ϵ (electron capture) | 0.0164% |
Nomor massa | 143 |
---|---|
nomor neutron | 84 |
bobot atom | |
g-factor | 0,77 ± 0,0014285714285714
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 13,57 ± 0,02 d
|
Spin | 7/2 |
nuclear quadrupole moment | 0,77 ± 0,16
|
tanggal penemuan | 1948 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 144 |
---|---|
nomor neutron | 85 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 17,28 ± 0,05 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1951 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 145 |
---|---|
nomor neutron | 86 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5,984 ± 0,01 h
|
Spin | 7/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1954 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 146 |
---|---|
nomor neutron | 87 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 24,09 ± 0,1 m
|
Spin | 2 |
nuclear quadrupole moment | |
tanggal penemuan | 1953 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 147 |
---|---|
nomor neutron | 88 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 13,39 ± 0,04 m
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1964 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 148 |
---|---|
nomor neutron | 89 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,29 ± 0,02 m
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 1964 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 149 |
---|---|
nomor neutron | 90 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,26 ± 0,07 m
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1964 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 150 |
---|---|
nomor neutron | 91 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 6,19 ± 0,16 s
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 1970 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 151 |
---|---|
nomor neutron | 92 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 18,9 ± 0,07 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1990 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 152 |
---|---|
nomor neutron | 93 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 3,57 ± 0,11 s
|
Spin | 4 |
nuclear quadrupole moment | |
tanggal penemuan | 1983 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 153 |
---|---|
nomor neutron | 94 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 4,28 ± 0,11 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1987 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 154 |
---|---|
nomor neutron | 95 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 2,3 ± 0,09 s
|
Spin | 3 |
nuclear quadrupole moment | |
tanggal penemuan | 1988 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 155 |
---|---|
nomor neutron | 96 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,47 ± 0,3 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1992 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 156 |
---|---|
nomor neutron | 97 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 444 ± 6 ms
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 1992 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 157 |
---|---|
nomor neutron | 98 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 307 ± 21 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2017 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 158 |
---|---|
nomor neutron | 99 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 181 ± 14 ms
|
Spin | 5 |
nuclear quadrupole moment | |
tanggal penemuan | 2016 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 159 |
---|---|
nomor neutron | 100 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 134 ± 43 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2017 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 160 |
---|---|
nomor neutron | 101 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 170 ± 140 ms
|
Spin | 1 |
nuclear quadrupole moment | |
tanggal penemuan | 2017 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) |
Nomor massa | 161 |
---|---|
nomor neutron | 102 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 3/2 |
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 | 1885 |
etimologi | Greek: prasios and didymos (green twin); from its green salts. |
pelafalan | pra-si-eh-DIM-i-em (Inggris) |
1 | s | 1.1694 |
2 | p | 4.2306 |
2 | s | 15.538 |
3 | d | 13.8476 |
3 | p | 19.1756 |
3 | s | 19.499 |
4 | d | 32.7028 |
4 | f | 37.8992 |
4 | p | 29.9432 |
4 | s | 28.6668 |
5 | p | 43.7165 |
5 | s | 41.387 |
6 | s | 51.2534 |