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CHLORINE

( from the Greek "chloros"= yellow-greenish)

SYMBOL: Cl

ATOMIC NUMBER: 17

MOLAR MASS ( g\mol): 35,45

NORMAL STATE: gaseous 

DENSITY ( g*cm-3): 1,66

MELTING POINT ( °C): -101

BOILING POINT (°C): -34

IONIZATION ENERGY ( Kj\mol): 1255, 2297

ELECTRON AFFINITY (Kj\mol): +349

ELECTRONEGATIVITY: 3,2

MAIN OXIDATION STATES: -1, +1, +3, +4, +5, +6, +7

ATOMIC RADIUS (pm): 99

ION RADIUS (pm): 181 (1-)