Why did Mendeleev leave some gaps in his Periodic Table?

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asked Jan 18, 2018 in Chemistry by Kundan kumar (49,132 points) 34 380 1014
Why did Mendeleev leave some gaps in his Periodic Table?

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answered Jan 18, 2018 by Vikash Kumar (144,729 points) 8 11 21
selected Jan 18, 2018 by Kundan kumar
 
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Mendeleev left some gaps in his Periodic Table for the elements yet to be discovered. He even predicted the properties of these elements by studying the properties of the neighbouring elements.

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