Chlorine is a halogen in group VII A of the periodic table with atomic number 17, an atomic weight of 35.45, and a density of 1.56 Mg/m 3. In the solid state it forms a tretragonal crystal with a ...

Two electrons are transferred from the calcium atom, one to each chlorine atom. Calcium becomes a +2 ion and each chlorine becomes a -1 ion. The +2 calcium ion and the two -1 chloride ions attract ...

In drinking water, chlorine is typically present in a concentration of 0.2 mg to 1 mg per liter. In pools and hot tubs, experts recommend using between 1 mg and 3 mg per liter of chlorine.

Bartholomew County Emergency Management says a chlorine leak at Water Plant #2 has been fixed by a contractor and an “all ...