The periodic table, also called the periodic table of elements, is an organized arrangement of the 118 known chemical elements. The chemical elements are arranged from left to right and top to bottom ...

For now, they're known by working names, like ununseptium and ununtrium — two of the four new chemical elements whose discovery has been officially verified. The elements with atomic numbers 113, 115, ...

This year is the International Year of the Periodic Table of Chemical Elements—and today (March 6), the modern version celebrates its 150 th birthday. To find out more about the table and how new ...

The iconic chart of elements has served chemistry well for 150 years. But it’s not the only option out there, and scientists are pushing its limits. By Siobhan Roberts When Sir Martyn Poliakoff, a ...

This lesson utilizes an adaptation of the board game Periodic: A Game of the Elements to help students better understand both general periodic trends and the law of conservation of energy. This ...

The seventh row of the periodic table is officially full. On December 30, the International Union of Pure and Applied Chemistry announced that a Russian-U.S. collaboration had attained sufficient ...

A new periodic table design attempts to showcase how many of the elements needed for mobile phones are being driven to ‘extinction’. Taking on board the idea that a picture tells a thousand words, ...

A new periodic table developed by online educators allows users to become more familiar with different elements by showing them how each one can be used in practical applications. Keith Enevoldsen ...

There's been a bit of a run recently on variations of the good old Periodic Table of Elements, featuring everything from Game Controllers to Typefaces and culminating with the Periodic Table of ...