A table in which the chemical elements are arranged in order of increasing atomic number. Elements with similar properties are arranged in the same column (called a group), and elements with the same number of electron shells are arranged in the same row (called a period).
a colorless odorless inert gaseous element occurring in the earth's atmosphere in trace amounts
Find another word for xenon. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for xenon, like: periodic-table, xe, atomic number 54, halogen, HeNe, hid and tungsten.