I

IODINE

Definition from 'ioeides' or violet relatively rare elements. poisonous in pure form, formerly prepared for seaweeds and is now produced as oil-well brines

Discovery 1811 by Bernard Courtois of france

Uses disenfectant, radioactive tracer

Group of Elements Halogen(Solid)

Atomic Weight 126.90447

Oxidation State +-1,+5,7

Melting Point 113.50

Boiling Point 184.35

Density 4.94 g/cm3

Electronegativity 2.5