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 ...

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 periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year. It would be hard to overstate its importance ...

The ACS is making educational resources available by topic to aid parents and teachers during this time of distance learning. The Periodic Table is an amazing chemistry tool that is organized with ...

Chemistry’s eye-catching arrangement of elements has undergone many changes since its inception in the mid 1800s. To this day, scientists seek to improve it. Cody Cottier is a freelance journalist for ...

A computer graphic shows how the collision of calcium ions and berkelium atoms produces atoms of Element 117. (Credit: University of California Television) The scientific body in charge of chemistry’s ...

Periods and families in the periodic table are described. Organization of the Periodic Table: Periods and families in the periodic table are described. Students learn to determine the number of energy ...

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 ...

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 ...

Sorry, chemistry teachers—your periodic table posters are now obsolete. Groups of scientists in the United States, Russia and Japan had more to celebrate last week ...

The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...