Halogens

Halogens are found in group 7 of the periodic table. Non metal elements that have 7 electrons in their outer shell and are often used for cleaning or sterilization.

Articles that Halogens Appeared in...

Group 2: The Alkaline Earth Metals

The Group 2 Alkaline earth metals are the 2nd group in the periodic table and are just before the transition metals. They are all similar in their color of silvery/white metals and react with water to form alkaline solutions. They are however not as reactive as the group 1 metals as they have 2 valence electrons instead of 1.

Group 17: The Halogens

The Halogens in Group 17 are non metal elements that are diatomic and simple covalently bonded. They decrease in reactivity down the group but increase in their melting and boiling points.