ᱥᱚᱰᱤᱭᱟᱢ
ᱧᱮᱞᱚᱜ
ᱥᱚᱰᱤᱭᱟᱢ | |||||||||||||||
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Appearance | silvery white metallic | ||||||||||||||
Standard atomic weight Ar, std(Na) | 76928(2) 22.989[᱑] | ||||||||||||||
Mass number | ᱪᱷᱟᱸᱪ:Infobox element/symbol-to-most-stable-isotope/format (most stable isotope) | ||||||||||||||
ᱥᱚᱰᱤᱭᱟᱢ in the periodic table | |||||||||||||||
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Atomic number (Z) | 11 | ||||||||||||||
Group | group 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 STP | solid | ||||||||||||||
Melting point | 370.944 K (97.794 °C, 208.029 °F) | ||||||||||||||
Boiling point | 1156.090 K (882.940 °C, 1621.292 °F) | ||||||||||||||
Density when liquid (at m.p.) | 0.927 g/cm3 | ||||||||||||||
Critical point | 2573 K, 35 MPa (extrapolated) | ||||||||||||||
Heat of fusion | 2.60 kJ/mol | ||||||||||||||
Heat of | 97.42 kJ/mol | ||||||||||||||
Molar heat capacity | 28.230 J/(mol·K) | ||||||||||||||
pressure
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Atomic properties | |||||||||||||||
Oxidation states | −1, +1 (a strongly basic oxide) | ||||||||||||||
Electronegativity | Pauling scale: 0.93 | ||||||||||||||
energies |
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Atomic radius | empirical: 186 pm | ||||||||||||||
Covalent radius | 166±9 pm | ||||||||||||||
Van der Waals radius | 227 pm | ||||||||||||||
Spectral lines of ᱥᱚᱰᱤᱭᱟᱢ | |||||||||||||||
Other properties | |||||||||||||||
Natural occurrence | primordial | ||||||||||||||
Crystal structure | (bcc) | ||||||||||||||
Speed of sound thin rod | 3200 m/s (at 20 °C) | ||||||||||||||
Thermal conductivity | 142 W/(m·K) | ||||||||||||||
Electrical resistivity | 47.7 nΩ·m (at 20 °C) | ||||||||||||||
Magnetic ordering | paramagnetic[᱒] | ||||||||||||||
Magnetic susceptibility | ×10−6 cm3/mol (298 K) +16.0[᱓] | ||||||||||||||
Young's modulus | 10 GPa | ||||||||||||||
Shear modulus | 3.3 GPa | ||||||||||||||
Bulk modulus | 6.3 GPa | ||||||||||||||
Mohs hardness | 0.5 | ||||||||||||||
Brinell hardness | 0.69 MPa | ||||||||||||||
CAS Number | 7440-23-5 | ||||||||||||||
History | |||||||||||||||
Discovery and first isolation | Humphry Davy (1807) | ||||||||||||||
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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 ᱾
ᱥᱟᱹᱠᱷᱭᱟᱹᱛ
[ᱥᱟᱯᱲᱟᱣ | ᱯᱷᱮᱰᱟᱛ ᱥᱟᱯᱲᱟᱣ]- ↑ 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.
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ignored (help) - ↑ Magnetic susceptibility of the elements and inorganic compounds, in ᱪᱷᱟᱸᱪ:RubberBible86th
- ↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
- ↑ 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.
ᱵᱟᱦᱨᱮ ᱡᱚᱱᱚᱲ
[ᱥᱟᱯᱲᱟᱣ | ᱯᱷᱮᱰᱟᱛ ᱥᱟᱯᱲᱟᱣ]- ᱥᱚᱰᱤᱭᱟᱢ ᱯᱤᱨᱤᱭᱳᱰᱤᱠ ᱴᱮᱵᱟᱞ ᱨᱮ (ᱱᱳᱴᱷᱤᱝᱜᱟᱢ ᱡᱮᱜᱮᱛ ᱵᱤᱨᱫᱟᱹᱜᱟᱲ)