Elements with atomic numbers 113, 115, 117, and 118, have been added to the periodic table, according to the International Union of Pure and Applied Chemistry (IUPAC).

The elements, discovered by researchers from Japan, Russia, and the United States, are known by their atomic numbers of 113, 115, 117, and 118. They will be given permanent names soon, according ...

Published: November 26, 2020 9:03am EST The periodic table of the elements, principally created by the Russian chemist, Dmitry Mendeleev (1834-1907), celebrated its 150th anniversary last year.

By Brian Mastroianni December 2, 2016 / 1:36 PM EST / CBS News It’s now time to say hello, officially, to the four new additions to the Periodic Table of Elements.

A new version of the periodic table arranges elements by protons instead of electrons. The perennially useful original Mendeleev periodic table has led to spinoffs, including for quantum dots.

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, atomic weight and the broad group they live in.