The energy level diagram for hydrogen 
-The ionization energy of hydrogen is 13.6 eV.
Definitions:
Tiryns
An ancient city in Greece, known for its archaeological site that includes impressive Mycenaean period fortifications.
Inlaid Dagger
A dagger with its handle or sheath decorated by setting pieces of material such as metal, stone, or wood into its surface to create patterns or pictures.
Mesopotamian
Relating to Mesopotamia, an ancient region located between the Tigris and Euphrates rivers, known as the cradle of civilization.
La Parisienne
Often refers to a fresco figure found at the Bronze Age archaeological site of Knossos, Crete, or as a term symbolizing an elegant, fashionably dressed woman typical of Paris.
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