Nomor atom | 18 |
---|---|
Massa atom | 39.948 |
Nomor massa | 40 |
Golongan | 18 |
---|---|
Periode | 3 |
Blok | p |
Proton | 18 p+ |
---|---|
Neutron | 22 n0 |
Elektron | 18 e- |
Jari-Jari Atom | 71 pm
|
---|---|
Volume molar | 24,2 cm³/mol
|
Jari-jari kovalen | 96 pm
|
Metallic Radius | |
Jari-jari ion | |
Crystal Radius | |
Jari-jari van der Waals |
188 pm
|
kepadatan | 0,001633 g/cm³
|
Energi | |
---|---|
proton affinity | 369,2 kJ/mol
|
Afinitas elektron | -11,5 eV/particle
|
Energi ionisasi | 15,7596112 eV/particle
|
Panas penguapan | 6,52 kJ/mol
|
kalor peleburan | |
Perubahan entalpi pembentukan standar | |
Elektron | |
kelopak elektron | 2, 8, 8 |
Elektron valensi | 8 ⓘ |
konfigurasi elektron | [Ne] 3s2 3p6ⓘ 1s2 2s2 2p6 3s2 3p6 |
bilangan oksidasi | 0 |
elektronegativitas | |
Electrophilicity Index | 0,0832013314590371 eV/particle
|
kondisi dasar materi | |
fase zat | Gas |
gaseous state of matter | Monoatomic |
Titik didih | 87,302 K
|
Titik lebur | 83,81 K
|
critical pressure | 4,863 MPa
|
critical temperature | 150,687 K
|
Titik tripel | |
appearance | |
warna | Tak berwarna
|
appearance | colorless gas exhibiting a lilac/violet glow when placed in a high voltage electric field |
Indeks bias | 1,000281
|
thermodynamic material property | |
Kondusivitas termal | 0,0177 W/(m K)
|
Pemuaian | |
molar heat capacity | 20,786 J/(mol K)
|
Kapasitas kalor molar | 0,52 J/(g⋅K)
|
heat capacity ratio | 5/3 |
electrical properties | |
tipe | |
konduktivitas listrik | |
resistivitas listrik | |
superkonduktivitas | |
magnetisme | |
tipe | diamagnetic |
Suseptibilitas magnetik batuan (Mass) | -0,000000006 m³/Kg
|
Suseptibilitas magnetik batuan (Molar) | -0,00000000024 m³/mol
|
Suseptibilitas magnetik batuan (Volume) | -0,0000000107
|
magnetic ordering | |
Curie temperature | |
Néel temperature | |
struktur | |
Struktur kristal | Kubik Berpusat-muka (FCC) |
Konstanta kisi | 5,26 Å
|
Lattice Angles | π/2, π/2, π/2 |
mechanical property | |
Kekerasan | |
Modulus kompresi | |
Modulus geser | |
modulus Young | |
Rasio Poisson | |
kecepatan suara | 319 m/s
|
klasifikasi | |
Kategori | Gas mulia, Noble gases |
CAS Group | VIII |
IUPAC Group | VIIIA |
Glawe Number | 3 |
Mendeleev Number | 114 |
Pettifor Number | 3 |
Geochemical Class | volatile |
Klasifikasi Goldschmidt | atmophile |
Isotop stabil | 2 |
---|---|
Isotop tidak stabil | 24 |
Natural Isotopes | 3 |
Nomor massa | 29 |
---|---|
nomor neutron | 11 |
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 |
---|---|
2p (2-proton emission) | 100% |
Nomor massa | 30 |
---|---|
nomor neutron | 12 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2015 |
parity | + |
modus peluruhan | intensitas |
---|---|
2p (2-proton emission) | 100% |
Nomor massa | 31 |
---|---|
nomor neutron | 13 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 15 ± 0,3 ms
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1986 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 68.3% |
2p (2-proton emission) | 9% |
B+pA | 0.38% |
3p | 0.07% |
β+α (β+-delayed α emission) | 0.03% |
2p (2-proton emission) | 0.0006% |
Nomor massa | 32 |
---|---|
nomor neutron | 14 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 98 ± 2 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1977 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 35.58% |
Nomor massa | 33 |
---|---|
nomor neutron | 15 |
bobot atom | |
g-factor | -1,446 ± 0,012
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 173 ± 2 ms
|
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1964 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
β+ p (β+-delayed proton emission) | 38.7% |
Nomor massa | 34 |
---|---|
nomor neutron | 16 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 846,46 ± 0,35 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1966 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 35 |
---|---|
nomor neutron | 17 |
bobot atom | |
g-factor | 0,42133333333333 ± 0,00013333333333333
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,7756 ± 0,001 s
|
Spin | 3/2 |
nuclear quadrupole moment | -0,084 ± 0,015
|
tanggal penemuan | 1940 |
parity | + |
modus peluruhan | intensitas |
---|---|
β+ (β+ decay; β+ = ϵ + e+) | 100% |
Nomor massa | 36 |
---|---|
nomor neutron | 18 |
bobot atom | |
g-factor | 0
|
natural abundance | 0,3336 ± 0,021
|
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1920 |
parity | + |
modus peluruhan | intensitas |
---|---|
2β+ (double β+ decay) |
Nomor massa | 37 |
---|---|
nomor neutron | 19 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 35,011 ± 0,019 d
|
Spin | 3/2 |
nuclear quadrupole moment | 0,076 ± 0,003
|
tanggal penemuan | 1941 |
parity | + |
modus peluruhan | intensitas |
---|---|
ϵ (electron capture) | 100% |
Nomor massa | 38 |
---|---|
nomor neutron | 20 |
bobot atom | |
g-factor | 0
|
natural abundance | 0,0629 ± 0,007
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1934 |
parity | + |
Nomor massa | 39 |
---|---|
nomor neutron | 21 |
bobot atom | |
g-factor | -0,45428571428571 ± 0,0042857142857143
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 268 ± 8 y
|
Spin | 7/2 |
nuclear quadrupole moment | -0,116 ± 0,002
|
tanggal penemuan | 1950 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 40 |
---|---|
nomor neutron | 22 |
bobot atom | |
g-factor | 0
|
natural abundance | 99,6035 ± 0,025
|
peluruhan radioaktif | isotop stabil |
Waktu paruh | Not Radioactive ☢️ |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1920 |
parity | + |
Nomor massa | 41 |
---|---|
nomor neutron | 23 |
bobot atom | |
g-factor | -0,37428571428571 ± 0,0022857142857143
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 109,61 ± 0,04 m
|
Spin | 7/2 |
nuclear quadrupole moment | -0,042 ± 0,004
|
tanggal penemuan | 1936 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 42 |
---|---|
nomor neutron | 24 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 32,9 ± 1,1 y
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1952 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 43 |
---|---|
nomor neutron | 25 |
bobot atom | |
g-factor | -0,4088 ± 0,0024
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 5,37 ± 0,06 m
|
Spin | 5/2 |
nuclear quadrupole moment | 0,142 ± 0,014
|
tanggal penemuan | 1969 |
parity |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 44 |
---|---|
nomor neutron | 26 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 11,87 ± 0,05 m
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1969 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 45 |
---|---|
nomor neutron | 27 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 21,48 ± 0,15 s
|
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1974 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 46 |
---|---|
nomor neutron | 28 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 8,4 ± 0,6 s
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1974 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
Nomor massa | 47 |
---|---|
nomor neutron | 29 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 1,23 ± 0,03 s
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1985 |
parity |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 0.2% |
Nomor massa | 48 |
---|---|
nomor neutron | 30 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 415 ± 15 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2004 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 38% |
Nomor massa | 49 |
---|---|
nomor neutron | 31 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 236 ± 8 ms
|
Spin | 3/2 |
nuclear quadrupole moment | |
tanggal penemuan | 1989 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 29% |
2n (2-neutron emission) |
Nomor massa | 50 |
---|---|
nomor neutron | 32 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | 106 ± 6 ms
|
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1989 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | 100% |
β− n (β−-delayed neutron emission) | 37% |
2n (2-neutron emission) |
Nomor massa | 51 |
---|---|
nomor neutron | 33 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 1/2 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 1989 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 52 |
---|---|
nomor neutron | 34 |
bobot atom | |
g-factor | 0
|
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 0 |
nuclear quadrupole moment | 0
|
tanggal penemuan | 2009 |
parity | + |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 53 |
---|---|
nomor neutron | 35 |
bobot atom | |
g-factor | |
natural abundance | |
peluruhan radioaktif | ☢️ radioactive element |
Waktu paruh | |
Spin | 5/2 |
nuclear quadrupole moment | |
tanggal penemuan | 2009 |
parity | - |
modus peluruhan | intensitas |
---|---|
β− (β− decay) | |
β− n (β−-delayed neutron emission) | |
2n (2-neutron emission) |
Nomor massa | 54 |
---|---|
nomor neutron | 36 |
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) | |
2n (2-neutron emission) |
penemu atau pencipta | Sir William Ramsey, Baron Rayleigh |
---|---|
tempat penemuan | Scotland |
tanggal penemuan | 1894 |
etimologi | Greek: argos (inactive). |
pelafalan | AR-gon (Inggris) |
1 | s | 0.4925 |
2 | p | 3.9918 |
2 | s | 5.7696 |
3 | p | 11.2359 |
3 | s | 10.2432 |