Subscribe Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture Money Videos Contents Ask the Chatbot a Question Science Chemistry periodic table chemistry Actions Also known as: periodic table of the elements Written by Linus C. Pauling , J.J. Lagowski • All Fact-checked by The Editors of Encyclopaedia Britannica Last Updated: Jul 23, 2024 • Article History Table of Contents Ask the Chatbot a Question Top Questions What is the periodic table? What do periodic table groups have in common? Where does the periodic table come from? periodic table , in chemistry , the organized array of all the chemical elements in order of increasing atomic number —i.e., the total number of protons in the atomic nucleus. When the chemical elements are thus arranged, there is a recurring pattern called the “periodic law” in their properties, in which elements in the same column (group) have s
