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Why did mendeleev leave blank spaces in his version of the periodic table?.

User Tattiana
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2 Answers

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13 votes

Answer:

Mendeleev left blank spaces in his version of the periodic table because he left the gaps to place elements not known at the time

User KooiInc
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22 votes

Answer: He left blank spaces for undiscovered elements to be added to the table.

Step-by-step explanation:

User Malik Khalil Ahmad
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