Generally, the more empty the outer electron shell, the more reactive the element. Helium has two(2) electrons, and is thus full, all the other noble elements has eight(8) electrons in it's outer electron shell, so they are also full. *And for everyone's sake, krypton is not green, but colorless, and forms white crystals when solid.
(a) Jubilees was written between 153 B.C. and the year of Hyrcanus' breach with the Pharisees. (1) It was written during the pontificate of the Maccabean family, and not earlier than 155 B.C., when this office was assumed by Jonathan the Maccabee.
exists and is an alternate of . The Iliad and the Odyssey are two epic poems written by Homer (Î¿Î¼Î·ÏÎ¿Ï) around the 9th century BC. They are two of the oldest recorded written works in history. The Iliad deals with a ten-year war between the Greeks and Trojans, called the Siege of Troy, (Ilion=Troy). It centers around Achilles, the great Greek hero who was dipped in the River Styx when he was young and whose only weak spot was his heel.