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As new elements are "discovered" or created artificially, the discoverer/creator gets to name them (within limits). So recent artificially-created elements have been named things like berkelium (named for the University of California at Berkeley, where it was synthesized) or mendelevium, named after Dmitri Mendeleev, father of the Periodic Table.

According to www.webelements.com, we're up to element 111, roentgenium, which was discovered on 8th December 1994 at the GSI in Darmstadt, Germany.

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14y ago
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15y ago

The Periodic Table is useful, but not necessary. It is useful in organizing the chemical elements according to their basic properties (and structure, as it turns out). This helps the chemist understand and anticipate the way the elements interact.

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15y ago

It is to let people know that whether a new element is found.

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13y ago

Because it's important: it shows us all the elements (atoms that cannot be broken down any further by chemical methods.

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7y ago

New elements can be added to the end of the table.

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Q: Why do you need a periodic table?
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