Symbol: I
Atomic number: 53
Atomic weight: 126.904
Dark violet nonmetallic element, belongs to group 17 of the periodic
table. Insoluble in water. Required as a trace element for living organisms. One stable isotope, I-127 exists, in addition to fourteen radioactive isotopes. Chemically the least reactive of the halogens, and
the most electropositive metallic halogen. Discovered in 1812 by Courtois.
click here...
Sexual Intercour...
Io
Ion
