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 soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
Find another word for lithium. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for lithium, like: periodic-table, li and atomic number 3.