Àdàkọ:Infobox sódíọ̀mù

Sódíọ̀mù, ₁₁Na
Sódíọ̀mù
Ìhànsójú	silvery white metallic
Ìwúwo átọ̀mù Ar, std(Na)	22.98976928(2)
Sódíọ̀mù ní orí tábìlì àyè
	nẹ́ọ̀nù ← sódíọ̀mù → magnésíọ̀mù
Nọ́mbà átọ̀mù (Z)	11
Ẹgbẹ́	group 1: H and alkali metals
Àyè	àyè 3
Àdìpọ̀	Àdìpọ̀-s
Ẹ̀ka ẹ́límẹ́ntì	Alkali metal
Ìtò ẹ̀lẹ́ktrọ́nù	[Ne] 3s1
Iye ẹ̀lẹ́ktrọ́nù lórí ìpele kọ̀ọ̀kan	2,8,1
Àwọn ohun ìní ara
Ìfarahàn at STP	solid
Ìgbà ìyọ́	370.87 K (97.72 °C, 207.9 °F)
Ígbà ìhó	1156 K (883 °C, 1621 °F)
Kíki (near r.t.)	0.968 g/cm3
when liquid (at m.p.)	0.927 g/cm3
Critical point	(extrapolated); 2573 K, 35 MPa
Heat of fusion	2.60 kJ/mol
Heat of	97.42 kJ/mol
Molar heat capacity	28.230 J/(mol·K)
Atomic properties
Oxidation states	−1, +1 Àdàkọ:Infobox element/symbol-to-oxidation-state/comment
Electronegativity	Pauling scale: 0.93
energies	(more);
Atomic radius	empirical: 186 pm
Covalent radius	166±9 pm
Van der Waals radius	227 pm
	Color lines in a spectral rangeSpectral lines of sódíọ̀mù
Other properties
Natural occurrence	primordial
Crystal structure	(bcc)
Speed of sound thin rod	3200 m/s (at 20 °C)
Thermal expansion	71 µm/(m·K) (at 25 °C)
Thermal conductivity	142 W/(m·K)
Electrical resistivity	47.7 n Ω·m (at 20 °C)
Magnetic ordering	paramagnetic
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	Humphry Davy (1807)
First isolation	Humphry Davy (1807)
Main isotopes of sódíọ̀mù
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References

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