Period 9 element
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A period 9 element is one of the chemical elements in the ninth row (or period) of the periodic table of the elements. None of these elements has yet been created. They may be referred to using IUPAC systematic element names.
Period 1 element - Period 2 element - Period 3 element - Period 4 element - Period 5 element - Period 6 element - Period 7 element - Period 8 element - Period 9 element