Very different. Each element is unique.
A Periodic table The Periodic Table of the Elements.
atomic number
It is called the Periodic Table of Elements.
The periodic table is just a way of grouping elements according to their atomic numbers. It helps scientists to understand why different elements react in different ways.
Most minerals are compounds, which contain several different elements. The periodic table consists only of elements. And all minerals, without exception, are composed of the elements which are found on the periodic table of elements.
By grouping the elements on the Periodic Table.
The Periodic Table of the Elements has every known and certified (by the IUPAC) element in it.
periodic table
See the link below fot the IUPAC model of the periodic table of elements.
They have different numbers of valance electrons...
Elements of the Periodic Table
I think there should be different forms of periodic table because there is a lot of elements that is not yet discovered.