Can you name everything from Ac to Zr? Test your knowledge of the periodic table and see if you can top the leaderboard ...

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.

The periodic table just got bigger. Four new elements have been recognized by the International Union of Pure and Applied Chemistry, which is the U.S.-based world authority on chemistry.

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 ...

The periodic table is getting a little bigger after scientists added the names of four new elements, completing the seventh row of the chart. The options could have included mythological ...

Tennessee also gets a periodic table shout-out. The name for element 117 is “tennessine,” after the home state of Oak Ridge and Vanderbilt University, which was also involved in the discovery.

The new superheavy, radioactive elements were actually added to the periodic table late last year and given these temporary and unremarkable names: ununtrium, ununpentium, ununseptium and ununoctoium.

The endings of each of the proposed names (such as –ium) reflect the element's place in the periodic table. The rest of the name is specific to each element's discovery, according to a statement ...

Two elements that were added to the periodic table of elements last year now have official names. By Andrew Webster, an entertainment editor covering streaming, virtual worlds, and every single ...

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.