Count the elements! [Discovered element only]

I guess we have to count back again (I will update the first post in the thread)
Hydrogen
 
Boron

Edit: discovered element only pls
Wikipedia: " As of 2020, no element with a higher atomic number than oganesson has been successfully synthesized; all elements in the eighth period and beyond thus remain purely hypothetical. "
 
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Didn't you see what Inven said? All higher elements are hypothetical.
Carbon
 
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