Na
Sodium
11
Atomic Number: 11
Atomic mass: 22.989769282
Ionization energy: 496
Electronaffinity: -53
Covalent radius: 154
Calculated radius: 190
Empirical radius: 180
Vanderwaals radius: 227
Electronegativity: 0.93
Density: 0.97
Oxidation states: -1, 1
Melting point: 371
Boiling point: 1156
Electron configuration: [Ne] 3s1
Element group: 1
Element period: 3

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