What is it about?

Satisfying established criteria for acknowledging the discovery of a new element has been accomplished for four new elements the details of which are the subject of this report.

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Why is it important?

The Periodic Table is the core of chemistry. Discoveries are rare and very difficult. Establishing a degree of certainty is a challenge that has been undertaken by an international committee of chemists and physicists over the past couple of decades.

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This page is a summary of: Discovery of the elements with atomic numbers Z = 113, 115 and 117 (IUPAC Technical Report), Pure and Applied Chemistry, February 2016, De Gruyter,
DOI: 10.1515/pac-2015-0502.
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