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Why are synthetic elements on the periodic table?
How many synthetic elements are on the periodic table?
Where are synthetic elements found on the periodic table?
Are there synthetic elements on the periodic table?
Elements of Nature | Definition & List - Lesson - Study.com
What are some uses of synthetic elements? - Homework.Study.com
It is official, the last four synthetic elements of the periodic table ...
Halogens of the Periodic Table | Properties, Reactivity & Uses
F-Block Elements on the Periodic Table | Properties & Overview
What is a synthetic element? - Homework.Study.com