f-block columns
The Periodic Table is organized in rows and columns called Periods and Groups respectively. The elements in a group have similar configurations of the outermost electron shells of their atoms. See http://knol.Google.com/k/spiros-kakos/periodic-table-of-elements/2jszrulazj6wq/88# for more details on the meaning of groups and periods.
alkali metals, alkali earth metals and halogens
There are 18 groups in the periodic table of elements.
Representative elements
periodic table
There are 18 A columns on the periodic table, also known as the groups. These columns represent elements with similar chemical properties and are numbered from 1 to 18.
A chart that displays and organizes the elements in rows and columns.
There are 18 groups in the Periodic Table of elements.
There are 18 groups in the periodic table of elements.
Representative elements
Groups in the periodic table are the vertical columns in which the elements are arranged.
The vertical columns.
periodic table
There are 18 A columns on the periodic table, also known as the groups. These columns represent elements with similar chemical properties and are numbered from 1 to 18.
A chart that displays and organizes the elements in rows and columns.
A chart that displays and organizes the elements in rows and columns.
A chart that displays and organizes the elements in rows and columns.
Representative elements
by the atomic mass of the elements.