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Chlorine
is the 17th element of the periodic table, it is green, and it is in group 7 - the halogens. Chlorine is highly reactive.
is the 17th element of the periodic table, it is green, and it is in group 7 - the halogens. Chlorine is highly reactive.
Symbol: Cl
Atomic mass: 35.453
Atomic number: 17
Electronegativity : 3.16
Electrons per shell: 2, 8, 7
Melting point: -100.98 degrees C
Discoverer: Carl Wilhelm Scheele
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