sodium 22 | has symbol 22Na | |
has nuclear magnetic moment μ = +1.746 nuclear magnetons with diamagnetic correction | |
has nuclear spin I = 3+ h/2π | |
has decay mode β+ (2.842 Mev) 90% | |
has decay mode EC 10% | |
has decay mode γ | |
has half life 2.605 years | |
has number of nucleons 22 | |
has number of neutrons 11 | |
has atomic mass 21.994434 | |
has uses research, medical diagnostic | |
is an instance of sodium | |
sodium | has lethal intake 3000 mg kg-1 of chloride in rat | |
has reserves almost unlimited | |
has main mining area halite in Germany, Poland, USA, UK; trona in Kenya, USA | |
has mineral halite, trona, occurs in many others but these are not mined as a source of sodium | |
has neutron scattering length 0.358 × 10-12 cm | |
has electron affinity 52.9 kJ mol-1 from to - | |
has toxic intake 12 g kg-1 of chloride in humans | |
has poisson's ratio 0.34 GPa | |
has rigidity modulus 2.53 GPa | |
has young's modulus 6.80 GPa | |
has mass magnetic susceptibility +8.8 × 10-9 kg-1 m3 for solid | |
has electrical resistivity 4.2 × 10-8 Ω m at 273 K | |
has van der Waals radii 231 pm | |
has thermal neutron capture cross section 0.530 barns | |
has longest lived isotope sodium 23 | |
has isotope mass range 19 to 31 | |
has number of isotopes 14 including nuclear isomers | |
has pronunciation so-dee-uhm | |
has name origin soda from English | |
has discovery location Royal Institution, London, England | |
has abundance 1.91 × 106 in Sun relative to H = 1 × 1012 | |
has abundance 23000 p.p.m. in Earth's crust | |
has abundance 10500 p.p.m. in seawater | |
has specimen ingots or lumps, in sealed ampoules under nitrogen, or spheres and sticks stored under mineral oil. Warning! | |
has world production 168 × 106 tonnes year-1 as salt | |
has world production 29 × 106 tonnes year-1 as sodium carbonate | |
has world production 200000 tonnes year-1 as sodium metal | |
has chief source halite, trona | |
has mass absorption coefficient 30.1 cm2 g-1 for CuKalpha X-ray diffraction | |
has mass absorption coefficient 3.21 cm2 g-1 for MoKalpha X-ray diffraction | |
has space group P63/mmc for α-Na | |
has crystal cell dimension a = 376.7, c = 615.4 pm for α-Na | |
has crystal type hexagonal for α-Na | |
has atomic emission line 313.548 nm for Na II | |
has atomic emission line 588.995 nm for Na I (strong, used in atom absorption spectrometry) | |
has atomic emission line 589.595 nm for Na I | |
has atomic emission line 818.326 nm for Na I | |
has atomic emission line 819.482 nm for Na I | |
has term symbol 2S1/2 in ground state | |
has electron configuration [Ne]3s in ground state | |
has mass of element in person 100 g for a 70 kg average person | |
has daily dietary intake 2 - 15 g | |
has level in humans 1970 mg dm-3 in blood | |
has level in humans 10000 p.p.m. in bone | |
has level in humans 2000 - 4000 p.p.m. in liver | |
has level in humans 2600 - 7800 p.p.m. in muscle | |
has hazard compounds are not hazardous, but excess sodium chloride can be toxic by ingestion | |
has biological role essential to most species including humans | |
has linear expansion coefficient 70.6 × 10-6 K-1 | |
has thermal conductivity 141 W m-1 K-1 at 300 K | |
has molar volume 23.68 cm3 | |
has heat capacity 28.24 J K-1 mol-1 for solid at constant pressure 0.1 MPa at 298.15 K | |
has heat capacity 20.786 J K-1 mol-1 for gas at constant pressure 0.1 MPa at 298.15 K | |
has heat of vaporization 89.04 kJ mol-1 | |
has heat of fusion 2.64 kJ mol-1 | |
has boiling point 1156.1 K | |
has melting point 370.96 K | |
has electronegativity 0.93 Pauling | |
has relative atomic mass 22.989768 in units of 12C = 12.000 | |
has ionic radii 98 pm for Na+ | |
has atomic radii 154 pm | |
has number of protons 11 | |
has registry number 7440-23-5 for Chemical Abstracts System database | |
has density 971 kg m-3 for solid at 293 K | |
has density 928 kg m-3 for liquid at 370.96 K melting point | |
has synthesis mechanism electrolysis of molted sodium chloride | |
has ocean oxidation state I | |
has ocean residence time 1 × 108 years | |
has symbol name origin natrium from Latin | |
has atomic number 11 | |
reacts with water by producing hydrogen gas | |
has discovery date 1807 (isolated) | |
has discoverer Sir Humphry Davy | |
has image | |
alkali metal | has group 1 | |
has hardness soft | |
has appearancee silvery except for francium | |
has synonym group I element | |
accumulating oceanic element | has ocean concentration depth indenpendent | |
lithophile element | has occurrence in silicate materials such as igneous rocks | |
element | is a part of Universe | |
particle | obeys uncertainty principle | |
has frequency inversely proportional to the wavelength | |
has wavelength inversely proportional to its momentum | |
has charge | |
has mass | |
physical object | has location or center of gravity | |
has angular momentum | |
has velocity | |
has momentum | |
has temperature | |
has volume | |
has extent | |
has material | |