Periods :P
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.
A periodic table
It arranges all known elements in a chart of rows and colums of increasing atomic number.
It is called the Periodic Table of Elements.
Horizontal rows on the Periodic Table of Chemical Elements are called periods.
The horizontal rows are periods on periodic table. There are 7 horizontal rows in modern periodic table.
The rows of elements in the periodic table are called periods. There are a total of 7 periods in the periodic table, each representing a different energy level or shell in which the elements' electrons are arranged.
the elements
rows
The two rows at the bottom of the periodic table, known as the f-block, are separated to conserve space. They contain the lanthanides and actinides series of elements and would make the rest of the periodic table too wide if included. These rows are still part of the periodic table, but they are usually shown below as a separate section for convenience.