ഫലകം:Infobox sodium
Sodium | |||||||||||||||
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Appearance | silvery white metallic | ||||||||||||||
Sodium ആവർത്തനപ്പട്ടികയിൽ | |||||||||||||||
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ഗ്രൂപ്പ് | group 1: hydrogen and alkali metals | ||||||||||||||
പിരീഡ് | period 3 | ||||||||||||||
ബ്ലോക്ക് | s-block | ||||||||||||||
ഇലക്ട്രോൺ വിന്യാസം | [Ne] 3s1 | ||||||||||||||
Electrons per shell | 2, 8, 1 | ||||||||||||||
Physical properties | |||||||||||||||
Phase at STP | solid | ||||||||||||||
ദ്രവണാങ്കം | 370.944 K (97.794 °C, 208.029 °F) | ||||||||||||||
ക്വഥനാങ്കം | 1156.090 K (882.940 °C, 1621.292 °F) | ||||||||||||||
Density (near r.t.) | 0.968 g/cm3 | ||||||||||||||
when liquid (at m.p.) | 0.927 g/cm3 | ||||||||||||||
Critical point | 2573 K, 35 MPa (extrapolated) | ||||||||||||||
ദ്രവീകരണ ലീനതാപം | 2.60 kJ/mol | ||||||||||||||
Heat of vaporization | 97.42 kJ/mol | ||||||||||||||
Molar heat capacity | 28.230 J/(mol·K) | ||||||||||||||
Vapor pressure
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Atomic properties | |||||||||||||||
Oxidation states | −1, +1 (a strongly basic oxide) | ||||||||||||||
Electronegativity | Pauling scale: 0.93 | ||||||||||||||
അയോണീകരണ ഊർജം |
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ആറ്റോമിക ആരം | empirical: 186 pm | ||||||||||||||
കൊവാലന്റ് റേഡിയസ് | 166±9 pm | ||||||||||||||
Van der Waals radius | 227 pm | ||||||||||||||
Spectral lines of sodium | |||||||||||||||
Other properties | |||||||||||||||
Natural occurrence | primordial | ||||||||||||||
ക്രിസ്റ്റൽ ഘടന | body-centered cubic (bcc) | ||||||||||||||
Speed of sound thin rod | 3200 m/s (at 20 °C) | ||||||||||||||
Thermal expansion | 71 µm/(m⋅K) (at 25 °C) | ||||||||||||||
താപചാലകത | 142 W/(m⋅K) | ||||||||||||||
Electrical resistivity | 47.7 nΩ⋅m (at 20 °C) | ||||||||||||||
കാന്തികത | paramagnetic[1] | ||||||||||||||
കാന്തികക്ഷമത | +16.0·10−6 cm3/mol (298 K)[2] | ||||||||||||||
Young's modulus | 10 GPa | ||||||||||||||
Shear modulus | 3.3 GPa | ||||||||||||||
ബൾക്ക് മോഡുലസ് | 6.3 GPa | ||||||||||||||
Mohs hardness | 0.5 | ||||||||||||||
Brinell hardness | 0.69 MPa | ||||||||||||||
സി.എ.എസ് നമ്പർ | 7440-23-5 | ||||||||||||||
History | |||||||||||||||
Discovery and first isolation | Humphry Davy (1807) | ||||||||||||||
Symbol | "Na": from New Latin natrium, coined from German Natron, 'natron' | ||||||||||||||
Isotopes of sodium | |||||||||||||||
Template:infobox sodium isotopes does not exist | |||||||||||||||
Na · Sodium | ||
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→ H | ||
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indexes by PT (page) |
Data sets read by {{Infobox element}} | |
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Name and identifiers | |
Top image | |
image caption | |
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Pronunciation | |
Category (enwiki) | |
Standard atomic weight | |
most stable isotope | |
Oxidation states | |
Spectral lines image |
References
- ↑ Magnetic susceptibility of the elements and inorganic compounds, in Lide, D. R., ed. (2005). CRC Handbook of Chemistry and Physics (86th ed.). Boca Raton (FL): CRC Press. ISBN 0-8493-0486-5.
- ↑ Weast, Robert (1984). CRC, Handbook of Chemistry and Physics. Boca Raton, Florida: Chemical Rubber Company Publishing. pp. E110. ISBN 0-8493-0464-4.
One of these is a named reference. It may be cited in the containing article as
- <ref name="CIAAW2013" /> for the source Atomic weights of the elements 2013 (from subtemplates used by {{Infobox element}})