| Nomor atom | 12 |
|---|---|
| Massa atom | 24.305 |
| Nomor massa | 24 |
| Golongan | 2 |
|---|---|
| Periode | 3 |
| Blok | s |
| Proton | 12 p+ |
|---|---|
| Neutron | 12 n0 |
| Elektron | 12 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, 2 |
| Elektron valensi | 2 ⓘ |
| konfigurasi elektron | [Ne] 3s2ⓘ 1s2 2s2 2p6 3s2 |
| bilangan oksidasi | 0, 1, 2 |
| elektronegativitas |
1.31
|
| 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 | shiny grey solid |
| 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) | 0,0000000069 m³/Kg
|
| Suseptibilitas magnetik batuan (Molar) | 0,000000000168 m³/mol
|
| Suseptibilitas magnetik batuan (Volume) | 0,000012
|
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| struktur | |
| Struktur kristal | {ERROR} |
| Konstanta kisi | |
| Lattice Angles | π/2, π/2, 2 π/3 |
| mechanical property | |
| Kekerasan | |
| Modulus kompresi | |
| Modulus geser | |
| modulus Young | |
| Rasio Poisson | 0,29
|
| kecepatan suara | |
| klasifikasi | |
| Kategori | Aktinida, Alkaline earth metals |
| CAS Group | IIA |
| IUPAC Group | IIA |
| Glawe Number | 73 |
| Mendeleev Number | 76 |
| Pettifor Number | 73 |
| Geochemical Class | major |
| Klasifikasi Goldschmidt | litophile |
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| neutron cross section | 0,063
|
| Neutron Mass Absorption | 0,0001
|
| Bilangan kuantum | 1S0 |
| Grup ruang | 194 (P63/mmc) |
| Isotop stabil | 3 |
|---|---|
| Isotop tidak stabil | 20 |
| Natural Isotopes | 3 |
| Nomor massa | 19 |
|---|---|
| nomor neutron | 7 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 5 ± 3 ps
|
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 2007 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| 2p (2-proton emission) | 100% |
| Nomor massa | 20 |
|---|---|
| nomor neutron | 8 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 90,4 ± 0,5 ms
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1974 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| β+ p (β+-delayed proton emission) | 30.3% |
| Nomor massa | 21 |
|---|---|
| nomor neutron | 9 |
| bobot atom | |
| g-factor | -0,3932 ± 0,0028
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 120 ± 0,4 ms
|
| Spin | 5/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1963 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| β+ p (β+-delayed proton emission) | 20.1% |
| β+α (β+-delayed α emission) | 0.116% |
| B+pA | 0.016% |
| Nomor massa | 22 |
|---|---|
| nomor neutron | 10 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 3,8745 ± 0,0007 s
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1961 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| Nomor massa | 23 |
|---|---|
| nomor neutron | 11 |
| bobot atom | |
| g-factor | -0,35753333333333 ± 0,0002
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 11,3039 ± 0,0032 s
|
| Spin | 3/2 |
| nuclear quadrupole moment | 0,114 ± 0,003
|
| tanggal penemuan | 1939 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% |
| Nomor massa | 24 |
|---|---|
| nomor neutron | 12 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | 78,965 ± 0,049
|
| peluruhan radioaktif | isotop stabil |
| Waktu paruh | Not Radioactive ☢️ |
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1920 |
| parity | + |
| Nomor massa | 25 |
|---|---|
| nomor neutron | 13 |
| bobot atom | |
| g-factor | -0,342132 ± 0,000012
|
| natural abundance | 10,011 ± 0,013
|
| peluruhan radioaktif | isotop stabil |
| Waktu paruh | Not Radioactive ☢️ |
| Spin | 5/2 |
| nuclear quadrupole moment | 0,199 ± 0,002
|
| tanggal penemuan | 1920 |
| parity | + |
| Nomor massa | 26 |
|---|---|
| nomor neutron | 14 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | 11,025 ± 0,038
|
| peluruhan radioaktif | isotop stabil |
| Waktu paruh | Not Radioactive ☢️ |
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1920 |
| parity | + |
| Nomor massa | 27 |
|---|---|
| nomor neutron | 15 |
| bobot atom | |
| g-factor | -0,8212 ± 0,003
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 9,435 ± 0,027 m
|
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1934 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 28 |
|---|---|
| nomor neutron | 16 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 20,915 ± 0,009 h
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1953 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 29 |
|---|---|
| nomor neutron | 17 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 1,3 ± 0,12 s
|
| Spin | 3/2 |
| nuclear quadrupole moment | -0,16 ± 0,04
|
| tanggal penemuan | 1971 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| Nomor massa | 30 |
|---|---|
| nomor neutron | 18 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 317 ± 4 ms
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1971 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 0.06% |
| Nomor massa | 31 |
|---|---|
| nomor neutron | 19 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 270 ± 2 ms
|
| Spin | 1/2 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1977 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 6.2% |
| Nomor massa | 32 |
|---|---|
| nomor neutron | 20 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 80,4 ± 0,4 ms
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1977 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 5.5% |
| Nomor massa | 33 |
|---|---|
| nomor neutron | 21 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 92 ± 1,2 ms
|
| Spin | 3/2 |
| nuclear quadrupole moment | 0,13 ± 0,09
|
| tanggal penemuan | 1979 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 14% |
| 2n (2-neutron emission) |
| Nomor massa | 34 |
|---|---|
| nomor neutron | 22 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 44,9 ± 0,4 ms
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1979 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 21% |
| 2n (2-neutron emission) | 0.1% |
| Nomor massa | 35 |
|---|---|
| nomor neutron | 23 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 11,3 ± 0,6 ms
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1989 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 52% |
| 2n (2-neutron emission) |
| Nomor massa | 36 |
|---|---|
| nomor neutron | 24 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 3,9 ± 1,3 ms
|
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1989 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | 48% |
| 2n (2-neutron emission) |
| Nomor massa | 37 |
|---|---|
| nomor neutron | 25 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | 8 ± 4 ms
|
| Spin | 3/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | 1996 |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| Nomor massa | 38 |
|---|---|
| nomor neutron | 26 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 1997 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | 100% |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| Nomor massa | 39 |
|---|---|
| nomor neutron | 27 |
| bobot atom | |
| g-factor | |
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 7/2 |
| nuclear quadrupole moment | |
| tanggal penemuan | |
| parity | - |
| modus peluruhan | intensitas |
|---|---|
| n (neutron emission) | |
| β− (β− decay) |
| Nomor massa | 40 |
|---|---|
| nomor neutron | 28 |
| bobot atom | |
| g-factor | 0
|
| natural abundance | |
| peluruhan radioaktif | ☢️ radioactive element |
| Waktu paruh | |
| Spin | 0 |
| nuclear quadrupole moment | 0
|
| tanggal penemuan | 2007 |
| parity | + |
| modus peluruhan | intensitas |
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) |
| Nomor massa | 41 |
|---|---|
| nomor neutron | 29 |
| 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− n (β−-delayed neutron emission) |
| penemu atau pencipta | Sir Humphrey Davy |
|---|---|
| tempat penemuan | England |
| tanggal penemuan | 1808 |
| etimologi | From Magnesia ancient city in district of Thessaly, Greece. |
| pelafalan | mag-NEE-zih-em (Inggris) |
| Kelimpahan alami | |
|---|---|
| Kelimpahan di kerak bumi | |
| natural abundance (samudra) | |
| natural abundance (tubuh manusia) | 0,027 %
|
| natural abundance (Meteoroid) | 12 %
|
| natural abundance (matahari) | 0,07 %
|
| Kelimpahan di alam semesta | 0,06 %
|
| 1 | s | 0.3911 |
| 2 | p | 4.1742 |
| 2 | s | 4.608 |
| 3 | s | 8.6925 |