| Atomic Number | 11 | 
|---|---|
| Atomic Weight | 22.98976928 | 
| mass number | 23 | 
| Group | 1 | 
|---|---|
| Period | 3 | 
| Block | s | 
| proton | 11 p+ | 
|---|---|
| neutron | 12 n0 | 
| electron | 11 e- | 
| Atomic Radius | |
|---|---|
| molar volume | |
| Covalent Radius | |
| Metallic Radius | |
| ionic radius | |
| Crystal Radius | |
| Van der Waals radius | |
| density | 
| energia | |
|---|---|
| proton affinity | |
| electron affinity | |
| ionization energy | |
| enthalpy of vaporization | |
| enthalpy of fusion | |
| standard enthalpy of formation | |
| electron | |
| Tegimen electronicum | 2, 8, 1 | 
| valence electron | 1 ⓘ | 
| electron configuration | [Ne] 3s1ⓘ 1s2 2s2 2p6 3s1 | 
| oxidation number | -1, 0, 1 | 
| electronegativity | 0.93 | 
| Electrophilicity Index | |
| fundamental state of matter | |
| phase of matter{ERROR} | |
| gaseous state of matter | |
| Boiling Point | |
| Melting Point | |
| critical pressure | |
| critical temperature | |
| Punctum triplex | |
| appearance | |
| Color | Black | 
| appearance | silvery white metallic | 
| refractive index | |
| thermodynamic material property | |
| Thermal Conductivity | |
| thermal expansion | |
| molar heat capacity | |
| Specific Heat Capacity | |
| heat capacity ratio | |
| electrical properties | |
| type | Conductor | 
| electrical conductivity | |
| electrical resistivity | |
| Superconductrum | |
| magnetism | |
| type | paramagnetic | 
| magnetic susceptibility (Mass) | 0.0000000088 m³/Kg | 
| magnetic susceptibility (Molar) | 0.0000000002 m³/mol | 
| magnetic susceptibility (Volume) | 0.0000086  | 
| magnetic ordering | |
| Curie temperature | |
| Néel temperature | |
| structure | |
| Crystal Structure | {ERROR} | 
| lattice constant | |
| Lattice Angles | π/2, π/2, π/2 | 
| mechanical property | |
| hardness | |
| bulk modulus | |
| shear modulus | |
| Young's modulus | |
| Poisson's ratio | |
| celeritas soni | |
| classificare | |
| Category | Actinides, Alkali metals | 
| CAS Group | IA | 
| IUPAC Group | IA | 
| Glawe Number | 11 | 
| Mendeleev Number | 2 | 
| Pettifor Number | 11 | 
| Geochemical Class | major | 
| Goldschmidt classification | litophile | 
| Gas Basicity | |
|---|---|
| polarizability | |
| C6 Dispersion Coefficient | |
| allotrope | |
| Neutron cross section | 0.53  | 
| Neutron Mass Absorption | 0.0007  | 
| quantum number | 2S1/2 | 
| space group | 229 (Im_3m) | 
| Stable Isotopes | 1 | 
|---|---|
| Unstable Isotopes | 22 | 
| Natural Isotopes | 1 | 
| mass number | 17 | 
|---|---|
| neutron number | 6 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | |
| Volubilitas | 1/2 | 
| nuclear quadrupole moment | 0  | 
| repertus | 2017 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | 100% | 
| mass number | 18 | 
|---|---|
| neutron number | 7 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 1.3 ± 0.4 zs | 
| Volubilitas | 1 | 
| nuclear quadrupole moment | |
| repertus | 2004 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | 
| mass number | 19 | 
|---|---|
| neutron number | 8 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | |
| Volubilitas | 5/2 | 
| nuclear quadrupole moment | |
| repertus | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| p (proton emission) | 100% | 
| mass number | 20 | 
|---|---|
| neutron number | 9 | 
| Relative Atomic Mass | |
| g-factor | 0.1847 ± 0.0001  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 447.9 ± 2.3 ms | 
| Volubilitas | 2 | 
| nuclear quadrupole moment | 0.101 ± 0.008  | 
| repertus | 1950 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| β+α (β+-delayed α emission) | 25% | 
| mass number | 21 | 
|---|---|
| neutron number | 10 | 
| Relative Atomic Mass | |
| g-factor | 1.5907333333333 ± 0.000026666666666667  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 22.455 ± 0.0054 s | 
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | 0.138 ± 0.011  | 
| repertus | 1940 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| mass number | 22 | 
|---|---|
| neutron number | 11 | 
| Relative Atomic Mass | |
| g-factor | 0.582 ± 0.001  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 2.6019 ± 0.0006 y | 
| Volubilitas | 3 | 
| nuclear quadrupole moment | 0.18 ± 0.011  | 
| repertus | 1935 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β+ (β+ decay; β+ = ϵ + e+) | 100% | 
| e+ (positron emission) | 90.57% | 
| ϵ (electron capture) | 9.43% | 
| mass number | 23 | 
|---|---|
| neutron number | 12 | 
| Relative Atomic Mass | |
| g-factor | 1.4783333333333 ± 0.00002  | 
| natural abundance | 100  | 
| radioactivitas | stable isotope | 
| half-life | Not Radioactive ☢️ | 
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | 0.104 ± 0.001  | 
| repertus | 1921 | 
| parity | + | 
| mass number | 24 | 
|---|---|
| neutron number | 13 | 
| Relative Atomic Mass | |
| g-factor | 0.422575 ± 0.0002  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 14.956 ± 0.0015 h | 
| Volubilitas | 4 | 
| nuclear quadrupole moment | |
| repertus | 1934 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 25 | 
|---|---|
| neutron number | 14 | 
| Relative Atomic Mass | |
| g-factor | 1.4732 ± 0.0016  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 59.1 ± 0.6 s | 
| Volubilitas | 5/2 | 
| nuclear quadrupole moment | 0.0015 ± 0.0003  | 
| repertus | 1943 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 26 | 
|---|---|
| neutron number | 15 | 
| Relative Atomic Mass | |
| g-factor | 0.95033333333333 ± 0.00066666666666667  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 1071.28 ± 0.25 ms | 
| Volubilitas | 3 | 
| nuclear quadrupole moment | -0.0053 ± 0.0002  | 
| repertus | 1958 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| mass number | 27 | 
|---|---|
| neutron number | 16 | 
| Relative Atomic Mass | |
| g-factor | 1.558 ± 0.002  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 301 ± 6 ms | 
| Volubilitas | 5/2 | 
| nuclear quadrupole moment | -0.0071 ± 0.0003  | 
| repertus | 1968 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.098% | 
| mass number | 28 | 
|---|---|
| neutron number | 17 | 
| Relative Atomic Mass | |
| g-factor | 2.426 ± 0.003  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 33.1 ± 1.3 ms | 
| Volubilitas | 1 | 
| nuclear quadrupole moment | 0.389 ± 0.011  | 
| repertus | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 0.58% | 
| mass number | 29 | 
|---|---|
| neutron number | 18 | 
| Relative Atomic Mass | |
| g-factor | 1.6326666666667 ± 0.0053333333333333  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 43.2 ± 0.4 ms | 
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | 0.085 ± 0.003  | 
| repertus | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 22% | 
| 2n (2-neutron emission) | 
| mass number | 30 | 
|---|---|
| neutron number | 19 | 
| Relative Atomic Mass | |
| g-factor | 1.0415 ± 0.005  | 
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 45.9 ± 0.7 ms | 
| Volubilitas | 2 | 
| nuclear quadrupole moment | |
| repertus | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 28.6% | 
| 2n (2-neutron emission) | 1.24% | 
| β−α (β−-delayed α emission) | 5.5% | 
| mass number | 31 | 
|---|---|
| neutron number | 20 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 16.8 ± 0.3 ms | 
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | |
| repertus | 1969 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 36% | 
| 2n (2-neutron emission) | 0.73% | 
| 3n (3-neutron emission) | 0.05% | 
| mass number | 32 | 
|---|---|
| neutron number | 21 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 12.9 ± 0.3 ms | 
| Volubilitas | 3 | 
| nuclear quadrupole moment | |
| repertus | 1972 | 
| parity | - | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 26% | 
| 2n (2-neutron emission) | 7.6% | 
| mass number | 33 | 
|---|---|
| neutron number | 22 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 8.2 ± 0.4 ms | 
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | |
| repertus | 1972 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | 47% | 
| 2n (2-neutron emission) | 13% | 
| mass number | 34 | 
|---|---|
| neutron number | 23 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 5.5 ± 1 ms | 
| Volubilitas | 1 | 
| nuclear quadrupole moment | |
| repertus | 1983 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| 2n (2-neutron emission) | 50% | 
| β− n (β−-delayed neutron emission) | 15% | 
| mass number | 35 | 
|---|---|
| neutron number | 24 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | 1.5 ± 0.5 ms | 
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | |
| repertus | 1983 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | 100% | 
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| mass number | 36 | 
|---|---|
| neutron number | 25 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | |
| Volubilitas | |
| nuclear quadrupole moment | |
| repertus | |
| parity | 
| decay mode | intensity | 
|---|---|
| n (neutron emission) | 
| mass number | 37 | 
|---|---|
| neutron number | 26 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | |
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | |
| repertus | 2002 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 
| mass number | 38 | 
|---|---|
| neutron number | 27 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | |
| Volubilitas | |
| nuclear quadrupole moment | |
| repertus | |
| parity | 
| decay mode | intensity | 
|---|---|
| n (neutron emission) | 
| mass number | 39 | 
|---|---|
| neutron number | 28 | 
| Relative Atomic Mass | |
| g-factor | |
| natural abundance | |
| radioactivitas | ☢️ radioactive element | 
| half-life | |
| Volubilitas | 3/2 | 
| nuclear quadrupole moment | |
| repertus | 2019 | 
| parity | + | 
| decay mode | intensity | 
|---|---|
| β− (β− decay) | |
| β− n (β−-delayed neutron emission) | |
| 2n (2-neutron emission) | 

| inventor | Sir Humphrey Davy | 
|---|---|
| location of discovery | England | 
| repertus | 1807 | 
| Etymologia | Medieval Latin: sodanum, (headache remedy); symbol from Latin natrium, (sodium carbonate). | 
| pronunciation | SO-di-em (English) | 
| Abundance | |
|---|---|
| Abundance in Earth's crust | |
| natural abundance (Oceanus) | |
| natural abundance (Corpus humanum) | 0.14 % | 
| natural abundance (Meteoroides) | 0.55 % | 
| natural abundance (Sol) | 0.004 % | 
| Abundance in Universe | 0.002 % | 
| 1 | s | 0.3741 | 
| 2 | p | 4.1982 | 
| 2 | s | 4.4286 | 
| 3 | s | 8.4926 |