מזויף לגייס מורגה chemical properties of xenon איש לפני כן בקפדנות
Xenon By: Annie Forrester 54 Xe 131.30. Properties and Uses of Xeon Some of Xenon's Properties……… It isn't toxic Atomic number is 54 The melting. - ppt download
Xenon (Xe) - Properties, Health effects & Xenon Uses, Periodic Table of Xenon
Xenon (Xe) - Periodic Table (Element Information & More)