| Nomor atom | 19 |
|---|---|
| Massa atom | 39.0983 |
| Nomor massa | 39 |
| Golongan | 1 |
|---|---|
| Periode | 4 |
| Blok | s |
| Proton | 19 p+ |
|---|---|
| Neutron | 20 n0 |
| Elektron | 19 e- |
| Jari-Jari Atom | |
|---|---|
| Volume molar | |
| Jari-jari kovalen | |
| Metallic Radius | |
| Jari-jari ion | |
| Crystal Radius | |
| Jari-jari van der Waals | |
| kepadatan |
| Energi | |
|---|---|
| proton affinity | |
| Afinitas elektron | |
| Energi ionisasi | |
| Panas penguapan | |
| kalor peleburan | |
| Perubahan entalpi pembentukan standar | |
| Elektron | |
| kelopak elektron | 2, 8, 8, 1 |
| Elektron valensi | 1 ⓘ |
| konfigurasi elektron | [Ar] 4s1ⓘ 1s2 2s2 2p6 3s2 3p6 4s1 |
| bilangan oksidasi | -1, 1 |
| elektronegativitas |
0.82
|
| Electrophilicity Index | |
| kondisi dasar materi | |
| fase zat | {ERROR}|
| gaseous state of matter | |
| Titik didih | |
| Titik lebur | |
| critical pressure | |
| critical temperature | |
| Titik tripel | |
| appearance | |
| warna | Hitam
|
| appearance | silvery gray |
| Indeks bias | |
| thermodynamic material property | |
| Kondusivitas termal | |
| Pemuaian | |
| molar heat capacity | |
| Kapasitas kalor molar | |
| heat capacity ratio | |
| electrical properties | |
| tipe | Conductor |
| konduktivitas listrik | |
| resistivitas listrik | |
| superkonduktivitas | |
| magnetisme | |
| tipe | paramagnetic |
| Suseptibilitas magnetik batuan (Mass) | 0,0000000067 m³/Kg
|
| Suseptibilitas magnetik batuan (Molar) | 0,000000000262 m³/mol
|
| Suseptibilitas magnetik batuan (Volume) | 0,00000574
|
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| struktur | |
| Struktur kristal | {ERROR} |
| Konstanta kisi | |
| Lattice Angles | π/2, π/2, π/2 |
| mechanical property | |
| Kekerasan | |
| Modulus kompresi | |
| Modulus geser | |
| modulus Young | |
| Rasio Poisson | |
| kecepatan suara | |
| klasifikasi | |
| Kategori | Aktinida, Alkali metals |
| CAS Group | IA |
| IUPAC Group | IA |
| Glawe Number | 10 |
| Mendeleev Number | 3 |
| Pettifor Number | 10 |
| Geochemical Class | alkali metal |
| Klasifikasi Goldschmidt | litophile |
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| neutron cross section | 2,1
|
| Neutron Mass Absorption | 0,0018
|
| Bilangan kuantum | 2S1/2 |
| Grup ruang | 229 (Im_3m) |
| Isotop stabil | 2 |
|---|---|
| Isotop tidak stabil | 27 |
| Natural Isotopes | 3 |
| Nomor massa | 31 |
|---|---|
| nomor neutron | 12 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 2019 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| 3p | 100% |
| Nomor massa | 32 |
|---|---|
| nomor neutron | 13 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 1 |
| nuclear quadrupole moment | |
| tanggal penemuan | |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| p (proton emission) |
| Nomor massa | 33 |
|---|---|
| nomor neutron | 14 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| p (proton emission) |
| Nomor massa | 34 |
|---|---|
| nomor neutron | 15 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 1 |
| nuclear quadrupole moment | |
| tanggal penemuan | |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| p (proton emission) |
| Nomor massa | 35 |
|---|---|
| nomor neutron | 16 |
| bobot atom | |
| g-factor | 0,26133333333333 ± 0,0046666666666667
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 175,2 ± 1,9 ms
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1976 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| β+ p (β+-delayed proton emission) | 0.37% |
| Nomor massa | 36 |
|---|---|
| nomor neutron | 17 |
| bobot atom | |
| g-factor | 0,274 ± 0,0005
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 341 ± 3 ms
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1967 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| β+ p (β+-delayed proton emission) | 0.048% |
| β+α (β+-delayed α emission) | 0.0034% |
| Nomor massa | 37 |
|---|---|
| nomor neutron | 18 |
| bobot atom | |
| g-factor | 0,13547333333333 ± 0,00004
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,23651 ± 0,00094 s
|
| Spin | 3/2 |
| nuclear quadrupole moment | 0,109 ± 0,004
|
| tanggal penemuan | 1958 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| Nomor massa | 38 |
|---|---|
| nomor neutron | 19 |
| bobot atom | |
| g-factor | 0,457 ± 0,002
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 7,651 ± 0,019 m
|
| Spin | 3 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1937 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| Nomor massa | 39 |
|---|---|
| nomor neutron | 20 |
| bobot atom | |
| g-factor | 0,26098 ± 0,0000053333333333333
|
| natural abundance | 93,2581 ± 0,0044
|
| peluruhan radioaktif | isotop stabil |
| Waktu paruh | Not Radioactive ☢️ |
| Spin | 3/2 |
| nuclear quadrupole moment | 0,0603 ± 0,0006
|
| tanggal penemuan | 1921 |
| parity | + |
| Nomor massa | 40 |
|---|---|
| nomor neutron | 21 |
| bobot atom | |
| g-factor | |
| natural abundance | 0,0117 ± 0,0001
|
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,248 ± 0,003 Gy
|
| Spin | 4 |
| nuclear quadrupole moment | -0,075 ± 0,0008
|
| tanggal penemuan | 1935 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 89.28% |
| β+ (β+ decay; β+ = ϵ + e+) | 10.72% |
| Nomor massa | 41 |
|---|---|
| nomor neutron | 22 |
| bobot atom | |
| g-factor | 0,143248 ± 0,0000033333333333333
|
| natural abundance | 6,7302 ± 0,0044
|
| peluruhan radioaktif | isotop stabil |
| Waktu paruh | Not Radioactive ☢️ |
| Spin | 3/2 |
| nuclear quadrupole moment | 0,0734 ± 0,0007
|
| tanggal penemuan | 1921 |
| parity | + |
| Nomor massa | 42 |
|---|---|
| nomor neutron | 23 |
| bobot atom | |
| g-factor | -0,57125 ± 0,0003
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 12,355 ± 0,007 h
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1935 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 43 |
|---|---|
| nomor neutron | 24 |
| bobot atom | |
| g-factor | 0,10886666666667 ± 0,00053333333333333
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 22,3 ± 0,1 h
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1949 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 44 |
|---|---|
| nomor neutron | 25 |
| bobot atom | |
| g-factor | -0,428 ± 0,002
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 22,13 ± 0,19 m
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1954 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 45 |
|---|---|
| nomor neutron | 26 |
| bobot atom | |
| g-factor | 0,1156 ± 0,00053333333333333
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 17,8 ± 0,6 m
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1964 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 46 |
|---|---|
| nomor neutron | 27 |
| bobot atom | |
| g-factor | -0,5255 ± 0,003
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 96,3 ± 0,08 s
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1965 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 47 |
|---|---|
| nomor neutron | 28 |
| bobot atom | |
| g-factor | 3,866 ± 0,018
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 17,38 ± 0,03 s
|
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1964 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 48 |
|---|---|
| nomor neutron | 29 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 6,83 ± 0,14 s
|
| Spin | 1 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1972 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 1.14% |
| Nomor massa | 49 |
|---|---|
| nomor neutron | 30 |
| bobot atom | |
| g-factor | 2,6772 ± 0,0016
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,26 ± 0,05 s
|
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1972 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 86% |
| Nomor massa | 50 |
|---|---|
| nomor neutron | 31 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 472 ± 4 ms
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1972 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 28.6% |
| 2n (2-neutron emission) |
| Nomor massa | 51 |
|---|---|
| nomor neutron | 32 |
| bobot atom | |
| g-factor | 0,342 ± 0,0013333333333333
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 365 ± 5 ms
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1983 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 65% |
| 2n (2-neutron emission) |
| Nomor massa | 52 |
|---|---|
| nomor neutron | 33 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 110 ± 4 ms
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1983 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 72.2% |
| 2n (2-neutron emission) | 2.3% |
| Nomor massa | 53 |
|---|---|
| nomor neutron | 34 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 30 ± 5 ms
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1983 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 64% |
| 2n (2-neutron emission) | 10% |
| Nomor massa | 54 |
|---|---|
| nomor neutron | 35 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 10 ± 5 ms
|
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1983 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| Nomor massa | 55 |
|---|---|
| nomor neutron | 36 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 3/2 |
| 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 | 56 |
|---|---|
| nomor neutron | 37 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 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 | 57 |
|---|---|
| nomor neutron | 38 |
| 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) | |
| 2n (2-neutron emission) |
| Nomor massa | 58 |
|---|---|
| nomor neutron | 39 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 2019 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| Nomor massa | 59 |
|---|---|
| nomor neutron | 40 |
| 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) | |
| 2n (2-neutron emission) |
| penemu atau pencipta | Sir Humphrey Davy |
|---|---|
| tempat penemuan | England |
| tanggal penemuan | 1807 |
| etimologi | English: pot ash; symbol from Latin: kalium, (alkali). |
| pelafalan | pe-TASS-i-em (Inggris) |
| Kelimpahan alami | |
|---|---|
| Kelimpahan di kerak bumi | |
| natural abundance (samudra) | |
| natural abundance (tubuh manusia) | 0,2 %
|
| natural abundance (Meteoroid) | 0,07 %
|
| natural abundance (matahari) | 0,0004 %
|
| Kelimpahan di alam semesta | 0,0003 %
|
| 1 | s | 0.5105 |
| 2 | p | 3.9728 |
| 2 | s | 5.9938 |
| 3 | p | 11.2744 |
| 3 | s | 10.3201 |
| 4 | s | 15.5048 |