Chlorine is a greenish yellow gas. It highest electronegativity. It has the second- lightest of the halogens.
Symbol: cl, atomic number:17, atomic mass:35.453u, boiling point: -34.05°c
It was discovered by Carl Wilhelm Scheele.
PHYSICAL PROPERTIES OF CHLORINE
1) It is a greenish yellow gas
2) it has a choking smell
3) it is about two and one-half times as dense as air
4) it is soluble in water
USES OF CHLORINE
1) Chlorine is used as a disinfectant for killing Bacteria
2) it is use for making customers product from paper to paints, textiles to insecticides
3)about 20% of chlorine produced is used to produce PVC (polyvinyl chloride).