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Why the table perdioc has 3 columns in its group 8 , i need reference about that please
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2 votes
Why the table perdioc has 3 columns in its group 8 ,
i need reference about that please

User Xenox
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1 Answer

6 votes

Answer: It just haven’t been discovered yet

Step-by-step explanation:

Because the periodic table was discovered long ago some elements haven’t been discovered thats why it maybe has 3 columns

User Enlico
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