List of elements by atomic properties
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Atomic Number Element Symbol Element Name Atomic Mass (amu) Electronegativity (Pauling Scale) First Ionization Energy (kJ/mol) Atomic Radius (pm) 1 H Hydrogen 1.008 2.20 1312 53 2 He Helium 4.0026 N/A 2372 31 3 Li Lithium 6.94 0.98 520 167 4 Be Beryllium 9.0122 1.57 899 112 5 B Boron 10.81 2.04 800 87 6 C Carbon 12.011 2.55 1086 70 7 N Nitrogen 14.007 3.04 1402 65 8 O Oxygen 15.999 3.44 1314 60 9 F Fluorine 18.998 3.98 1681 50 10 Ne Neon 20.1797 N/A N/A 38