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Anne Marie Helmenstine, Ph.D.

Two New Elements Are Discovered

By June 7, 2011

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New elements are added to the periodic table. (Steve Cole, Getty Images)An international team of scientists has agreed to add two new elements to the periodic table, element 114 and element 116. These new elements are the heaviest elements yet to appear on the periodic table, with atomic masses of 289 and 292 atomic mass units, respectively.

The existence of these elements has been suspected for quite some time, but required rigorous verification. In 1999, a single atom of element 114 was produced by bombarding plutonium-244 with calcium-48. Element 116 decays into 114, which undergoes alpha decay to become copernicium. The announcement concludes a three year review process, during which time the scientists conducted further experiments to substantiate their claims.

As is traditional, the discoverers of the elements will get the honor of proposing their names. The Dubna team at the Joint Institute for Nuclear Research in Russia has proposed "flerovium" for 114, after Georgy Flyorov, a Soviet scientist who discovered elements. The proposed name for element 116 is "moscovium", after the Russian Moscow region.

How Are New Elements Discovered? | Periodic Table of Elements

Comments

June 9, 2011 at 12:30 pm
(1) Echo says:

It’s a wonderful thing.

June 13, 2011 at 6:05 am
(2) angelita palisoc says:

Wow! Another elements to study with….cool!

June 13, 2011 at 10:44 pm
(3) anu says:

its nice, but we have to reset the brain program once again yar.

June 15, 2011 at 12:58 am
(4) nadeem says:

its realy good one as a students of chemistry its realy good to me , it will provide a new version to discover new elements

June 19, 2011 at 10:52 am
(5) Smith Wigglesworth says:

I’m worried about the impending Element Gap if the Rooskies keep this up!

July 10, 2011 at 7:47 am
(6) sara says:

Amazing!
Good Luck scientists!

November 19, 2011 at 10:53 am
(7) SAHA says:

WELL!!! isn’t it that this universe, the very ours, is nothing but a MYSTERY box of elements!!!Hmmmmm…………

February 14, 2014 at 11:26 pm
(8) laxmikanth says:

Very nice its new invention but what r usess of these metals

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