Halogens List - Chemical Elements in the Periodic Table
The elements contained in the classification of Halogens list are as follows:
Fluorine
Chlorine
Bromine
Iodine
Astatine
Common properties of Halogens
The elements classed as Halogens have the following properties in common:
They are non-metals
Low melting and boiling points
Brittle when solid
Poor conductors of heat and electricity
Have coloured vapours
Their molecules each contain two atoms
Elements classified as Halogens
The 5 elements classified as "Halogens" are located in Group 17 of the Periodic Table. Halogens are combined with Silver to produce the light sensitive crystals used as the basis for photographic emulsions. The term "halogen" means "salt-former" and compounds containing halogens are called "salts". The halogens exist, at room temperature, in all three states of matter - Gases such as Fluorine & Chlorine, Solids such as Iodine and Astatine and Liquid as in Bromine.
Elements in the Periodic Table are classified as follows:
Metalloids
Alkali Metals
Alkaline Earth Metals
Transition Metals
Other Metals
Non-metals
Halogens
Noble Gases
Rare Earth Elements