Litio

Lithium
	3Li
	helium ← lithium → beryllium
Panagway
	silvery-white (shown floating in oil); ; ; Spectral lines of lithium
Kinatibuk-ang mga kinaiya
Ngalan, simbolo, kaiphan	lithium, Li, 3
Paglitok	/ˈlɪθiəm/ [[Help:Pronunciation respelling key\|Plantilya:Smallcaps all-thee-əm]]
Kategoriyang elemento	puthaw
Group, period, block	1, 2, s
Gibug-aton sa atomo	6.94(1)
Kontorno sa elektron	[He] 2s1; 2, 1 Electron shells of lithium (2, 1)
History
Pagkadiskobre	Johan August Arfwedson (1817)
First isolation	William Thomas Brande (1821)
Physical properties
Phase	magahi
Density (near r.t.)	0.534 g·cm−3
Liquid density at m.p.	0.512 g·cm−3
Melting point	453.69 K, 180.54 °C, 356.97 °F
Boiling point	1615 K, 1342 °C, 2448 °F
Critical point	(extrapolated); 3223 K, 67 MPa
Heat of fusion	3.00 kJ·mol−1
Heat of vaporization	147.1 kJ·mol−1
Molar heat capacity	24.860 J·mol−1·K−1
Vapor pressure
Atomic properties
Oxidation states	+1; (strongly basic oxide)
Electronegativity	0.98 (Pauling scale)
Ionization energies	1st: 520.2 kJ·mol−1
	2nd: 7298.1 kJ·mol−1
	3rd: 11815.0 kJ·mol−1
Atomic radius	152 pm
Covalent radius	128±7 pm
Van der Waals radius	182 pm
Miscellanea
Crystal structure	body-centered cubic
Magnetic ordering	paramagnetic
Electrical resistivity	(20 °C) 92.8 nΩ·m
Thermal conductivity	84.8 W·m−1·K−1
Thermal expansion	(25 °C) 46 µm·m−1·K−1
Speed of sound (thin rod)	(20 °C) 6000 m·s−1
Young's modulus	4.9 GPa
Shear modulus	4.2 GPa
Bulk modulus	11 GPa
Mohs hardness	0.6
CAS registry number	7439-93-2
Most stable isotopes
	Main article: Isotopes of lithium
	6Li content may be as low as 3.75% in; natural samples. 7Li would therefore; have a content of up to 96.25%.
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