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 trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
Find another word for boron. In this page you can discover 3 synonyms, antonyms, idiomatic expressions, and related words for boron, like: periodic-table, b and atomic number 5.