Wikipedia 10K Redux by Reagle from Starling archive. Bugs abound!!!
Halogen From the Latin, meaning "salt-former". The group of [[chemical element]]s in group VIIA of the [[Periodic Table]]; specifically [[Fluorine]], [[Chlorine]], [[Bromine]], [[Iodine]], and [[Astatine]]. These elements are [[Chemistry/diatomic|diatomic]] molecules in their natural form. They require one more electron to fill their outer [[electron shell]]s, and so have a tendency to form a singly-charged negative [[ion]].