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Numbered 113, 115, 117 and 118, the new elements have been given temporary working names of ununtrium, ununpentium, ununseptium, and ununoctium.
American and Russian scientists announced the creation of a new superheavy element, known as element 118 or ununoctium, which was generated by firing calcium ions at californium; three atoms resulted from the experiments, and each lasted a small fraction of a second.
'In experiments conducted at the JINR U400 cyclotron, the research group observed atomic decay patterns, or chains, that establish the existence of element 118 (temporarily dubbed ununoctium).
9 US and Russian scientists working at Dubna in Russia have announced the discovery of chemical element ununoctium - what number element is it?