THE s-BLOCK ELEMENTS - NCERT
300 CHEMISTRY Lithium and beryllium, the first elements ... Atomic number 3 11 19 37 55 87 Atomic mass (g mol–1) 6.94 22.99 39.10 85.47 132.91 (223) ... Solutions in liquid ammonia: The alkali metals dissolve in liquid ammonia giving deep blue solutions which are conducting
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