View Sections Of Periodic Table Background. The periodic table is also organized into four blocks according to the subshell in which the last electron. All elements in a row have the same number of electron shells.
The group number is an identifier used to describe the column of the standard periodic table in which the element appears. There are also names for specific types of el. All elements in a row have the same number of electron shells.
Use the interactive periodic table to learn about all of the known elements, from hydrogen to check our encyclopedia for a gloss on thousands of topics from biographies to the table of elements.
A horizontal row in the periodic table, which signifies the total number of electron shells in an element's atom. The horizontal rows are called periods and the vertical columns are called groups. This table is a work in progress. The periodic table, also known as the periodic table of elements, is a tabular display of the chemical elements, which are arranged by atomic number, electron configuration.