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 ...

The periodic table has become an icon of science. Its rows and columns provide a tidy way of showcasing the elements — the ingredients that make up the universe. It seems obvious today, but it wasn’t ...

The periodic table is used in chemistry to organize different elements. Elements are atoms with a different number of protons and electrons. Protons are particles that are in center of the atom and ...

Recognize these rows and columns? You may remember a detail or two about this mighty table’s organization from a long-ago chemistry class. Elements are ordered according to their number of protons, or ...

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 ...

When it comes to science, chemistry is elemental. That pun is based on the fact that the main building blocks in the branch ...

The oldest known periodic table has been restored after a major conservation effort. Discovered in 2014 at the University of St Andrews' School of Chemistry by Dr Alan Aitken during a clean out of old ...

“The periodic table tells us a story – its aim to understand the essence of all things,” said UNESCO Director General Audrey Azoulay in her introductory speech at the opening ceremony of the ...

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 ...

You might not realize it, but almost everywhere around you are rare metals from the earth. In your phone, computer, or any other LCD screen, for example, you’ll find a dash of indium, a soft, ...