It is called the Periodic Table of Elements.
elements
A Periodic table The Periodic Table of the Elements.
atomic number
The gaps represented the elements which were not discovered. When the elements were invented, they were placed into these gaps.
There are total 18 groups in the periodic table that contains elements having same properties.
By grouping the elements on the Periodic Table.
See the link below fot the IUPAC model of the periodic table of elements.
I dont know (idk) im askin u wht it means
Elements of the Periodic Table
Yes, there were elements on the first periodic table. I believe that there are still elements on the periodic table.
periodic table is an arrangement of elements. Thiamin is not an element and hence not on the periodic table.