Chemistry Practice Problems Periodic Table Practice Problems Solution: Part AWhich row of the periodic table contains the...

Solution: Part AWhich row of the periodic table contains the most recently discovered elements? Express your answer as an integer. Part BCan you suggest a reason? 

Problem

Part A

Which row of the periodic table contains the most recently discovered elements? 

Express your answer as an integer. 

Part B

Can you suggest a reason? 

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