Jump to content

ᱥᱚᱰᱤᱭᱟᱢ

ᱣᱤᱠᱤᱯᱤᱰᱤᱭᱟ, ᱨᱟᱲᱟ ᱜᱮᱭᱟᱱ ᱯᱩᱛᱷᱤ ᱠᱷᱚᱱ
ᱥᱚᱰᱤᱭᱟᱢ,  11Na
ᱥᱚᱰᱤᱭᱟᱢ
Appearancesilvery white metallic
Standard atomic weight Ar, std(Na)22.98976928(2)[]
Mass numberᱪᱷᱟᱸᱪ:Infobox element/symbol-to-most-stable-isotope/format (most stable isotope)
ᱥᱚᱰᱤᱭᱟᱢ in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
Li

Na

K
ᱱᱤᱭᱟᱹᱱᱥᱚᱰᱤᱭᱟᱢmagnesium
Atomic number (Z)11
Groupgroup n/a
Period[[Period {{{period}}} element|period {{{period}}}]]
Block[[{{{block}}}-block]]
Element category  Alkali metal
Electron configuration[Ne] 3s1
Electrons per shell
2, 8, 1
Physical properties
Phase at STPsolid
Melting point370.944 K ​(97.794 °C, ​208.029 °F)
Boiling point1156.090 K ​(882.940 °C, ​1621.292 °F)
Density when liquid (at m.p.)0.927 g/cm3
Critical point2573 K, 35 MPa (extrapolated)
Heat of fusion2.60 kJ/mol
Heat of 97.42 kJ/mol
Molar heat capacity28.230 J/(mol·K)
 pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 554 617 697 802 946 1153
Atomic properties
Oxidation states−1, +1 (a strongly basic oxide)
ElectronegativityPauling scale: 0.93
energies
  • 1st: 495.8 kJ/mol
  • 2nd: 4562 kJ/mol
  • 3rd: 6910.3 kJ/mol
  • (more)
Atomic radiusempirical: 186 pm
Covalent radius166±9 pm
Van der Waals radius227 pm
Color lines in a spectral range
Spectral lines of ᱥᱚᱰᱤᱭᱟᱢ
Other properties
Natural occurrenceprimordial
Crystal structure ​(bcc)
Body-centered cubic crystal structure for ᱥᱚᱰᱤᱭᱟᱢ
Speed of sound thin rod3200 m/s (at 20 °C)
Thermal conductivity142 W/(m·K)
Electrical resistivity47.7 nΩ·m (at 20 °C)
Magnetic orderingparamagnetic[]
Magnetic susceptibility+16.0×10−6 cm3/mol (298 K)[]
Young's modulus10 GPa
Shear modulus3.3 GPa
Bulk modulus6.3 GPa
Mohs hardness0.5
Brinell hardness0.69 MPa
CAS Number7440-23-5
History
Discovery and first isolationHumphry Davy (1807)
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
| references

ᱥᱚᱰᱤᱭᱟᱢ ᱫᱚ ᱢᱤᱫ ᱠᱮᱢᱤᱠᱟᱞ ᱮᱞᱮᱢᱮᱱᱴ ᱠᱟᱱᱟ ᱡᱟᱦᱟᱸ ᱨᱮᱱᱟᱜ ᱟᱴᱚᱢᱤᱠ ᱮᱞ ᱑᱑ ᱠᱟᱱᱟ ᱾ ᱱᱚᱶᱟ ᱨᱮᱱᱟᱜ ᱪᱤᱱᱦᱟᱹ ᱫᱚ Na (ᱱᱟᱴᱨᱤᱭᱚᱢ ᱧᱩᱛᱩᱢ ᱠᱷᱚᱱ) ᱠᱟᱱᱟ ᱾ ᱱᱚᱶᱟ ᱫᱚ ᱢᱤᱫ ᱟᱞᱠᱟᱞᱤ ᱢᱮᱴᱟᱞ ᱠᱟᱱᱟ ᱾ ᱢᱮᱱᱠᱷᱟᱱ ᱱᱚᱴᱨᱤᱭᱚᱢ ᱨᱮ ᱟᱹᱰᱤ ᱜᱟᱱ ᱟᱭᱥᱳᱴᱳᱯ ᱢᱮᱱᱟᱜᱼᱟ, ᱢᱮᱱᱠᱷᱟᱱ ᱰᱷᱮᱨ ᱛᱮᱫ ᱫᱚ ᱠᱚᱢ ᱚᱠᱛᱚ ᱨᱮ ᱵᱚᱫᱚᱞᱟ ᱾ ᱱᱚᱶᱟ ᱠᱷᱟᱹᱛᱤᱨ ᱛᱮ, ᱡᱚᱛᱚ ᱱᱟᱴᱨᱤᱭᱚᱢ ᱨᱮ ᱱᱟᱴᱨᱤᱭᱚᱢ ᱨᱮᱱᱟᱜ ᱑᱑Na᱒᱓ ᱟᱭᱤᱥᱳᱴᱚᱯ ᱢᱮᱱᱟᱜᱼᱟ ᱾ ᱥᱚᱰᱤᱭᱟᱢ ᱨᱮᱭᱟᱜ ᱟᱴᱚᱢᱤᱠ ᱢᱟᱥ ᱫᱚ ᱦᱩᱭᱩᱜ ᱠᱟᱱᱟ ᱒᱒.᱙᱘᱙᱘ ᱾

  1. Meija, Juris; Coplen, Tyler B.; Berglund, Michael; Brand, Willi A.; De Bièvre, Paul; Gröning, Manfred; Holden, Norman E.; Irrgeher, Johanna; Loss, Robert D.; Walczyk, Thomas; Prohaska, Thomas (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry. 88 (3): 265–91. doi:10.1515/pac-2015-0305. {{cite journal}}: Unknown parameter |displayauthors= ignored (help)
  2. Magnetic susceptibility of the elements and inorganic compounds, in ᱪᱷᱟᱸᱪ:RubberBible86th
  3. Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
  4. ᱔.᱐ ᱔.᱑ ᱔.᱒ Arblaster, John W. (2018). Selected Values of the Crystallographic Properties of Elements. Materials Park, Ohio: ASM International. ISBN 978-1-62708-155-9.