Navy Seals Recruitment Basic Enlistment Requirements. Joining any branch of the military involves meeting certain enlistment requirements and standards that must be met prior to acceptance. For example, most military branches have the same age and citizenship requirements.
The noun XENON has 1 sense: 1. a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts. Familiarity information: XENON used as a noun is very rare.
Xenon-136 is an isotope of xenon that undergoes double beta decay to barium-136 with a very long half life of 2.11Ã1021 years, more than ten orders of magnitude longer than the age of the universe ((13.799Â±0.021)Ã109 years).