Question

what is periodic table​

Answer 1

Periodic Table

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, and recurring chemical properties.

The structure of the table shows periodic trends.

Answer 2

refer to the attachment...

The atomic number of an element is the same as the number of protons in that particular nucleus of an atom. In the periodic table the elements are arranged into periods and groups. A row of elements across the table is called a period. ... A column of elements down the table is called a group.