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.
Naturally occurring xenon is a mixture of nine isotopes and they are found in the percentages shown: 124Xe (0.09%), 126Xe (0.09%), 128Xe (1.9%), 129Xe (26.4%), 130Xe (4.1%), 131Xe (21.2%), 132Xe (26.9%), 134Xe (10.4%) and 136Xe (8.9%).