This category contains all articles of chemical element groups.
“halogen means any of the chemical elements fluorine, bromine,iodine,and astatine.The halogens or...Halogen
“The alkaline earth metals are a series of elements that make up Group 2 of the periodic table...Alkaline Earth Metal
“Nonmetal is a term used in chemistry when classifying the chemical elements. On the basis of...Nonmetal
“Post-transition metal or poor metals are terms applied to the metallic elements in the p-block...Post-transition metal
“The Noble Gases are a group of elements with similar properties, all from atomic Group 18. They...Noble gas