Finding elements on the Periodic Table, if you mean just as your question reads. Well, look at it and those symbols you see in the boxes are the elements. Counting won't be problem.
On a periodic table.
On the Periodic Table of Elements.
I can find only two types The Mendeleves Periodic table based on Atomic weight of elements and The Modern Periodic table based on Atomic number of elements.
it was found in 1896. you can not find them on the periodic table. you may find some, but often some are.
You will not find H2S on the periodic table. The periodic table contains only elements, and H2S is a compound, made of two elements, hydrogen (H) and sulfur (S).
elements
you find the ones that have been added to the periodic table in the old days
You don't: The periodic table is a format for displaying elements, not compounds.
Yes, all the elements (natural or artificial) are contained in the periodic (Mendeleev) table of the elements.
No, because as the days and years go past, more scientists will find out more information on the periodic table. When they find out information on the periodic table, sometimes new elements are found, adding new elements on the periodic table causes it to change.
The periodic table of elements
The periodic table organizes the elements so that they are easy to find and it also puts them into groups or "families" of elements with similar traits.