rubidium 1957
He could not because it had not yet been discovered when he created the table. However he was able to determine that an element was missing at that location and predict the properties it would have when it was discovered. When germanium was discovered and named, his predictions were found to be very accurate.
In the case of each chemical element the name is found.
Everywhere. The periodic table only has elements
Asprin is not an element, so it is not found on the periodic table.
The element 'H' is hydrogen, and is NO. 1 in the Periodic Table.
I was discovered in a lab, not found in nature.
Hydrogen
silicongermaniumcopperaluminumgoldiron
The latest confirmed element discovered was Livermorium, 116Lv, in 2000. Ununseptium is not officially credited as "discovered" by the IUPAC/IUPAP Joint Working Party, but it is the most recently synthesized element, made in 2010.
No, androids is NOT an element or type of element. Perhaps you are referring to actinoids, which are a group of elements that appear in the periodic table.
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Any Element found by mankind is on the Periodic Table.