Group 18 Periodic Table
Read customer reviews find best sellers. Ad Browse discover thousands of brands. Group 18 Elements Noble Gases Physical And Chemical Properties Noble Gas Chemical Property Group 18 Periodic Table. . The alkaline earth metals are metallic elements found in the group 2 of the periodic table. The zero group is designated so because of the zero valence electrons that the elements of this group have. This is because the number of shells occupied with electrons increases when going down the group. Group 8 is the modern standard designation. The Group 18 elements include HeliumHe NeonNe ArgonAr KryptonKr XenonXe and RadonRn. The group 18 elements are called noble gases and all of the 18 group elements are colorless odorless tasteless and non-flammable gases under normal conditions and room temperature. Like other groups the members of this family show patterns in electron configuration especially in the outermost