APA citation style: Historic American Buildings Survey, C. & Benison, G. (1933) Oakland Plantation, Mount Pleasant, Charleston County, SC. Documentation Compiled After. [Pdf] Retrieved from the Library of Congress, https://www.loc.gov/item/sc0292/.
There are 18 groups (columns) in the periodic table. Group 1 (also known as the alkali metals) is the column on the far left of the table. Elements in the same group have similar, but not identical characteristics. This is because they all have the same number of electrons in their outermost shell.
A group is a vertical column in the periodic table; there are 8 groups, numbered, always in Roman numerals, I to VII from left to right, with group O (the noble gases) on the â¦ far right-hand side. The atoms of elements within any given group have similar outer electron configurations. + 15 others found this useful.