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Question
Why did Mendeleev leave some gaps in his periodic table of elements ? Explain your answer with an example.
Why did Mendeleev leave some gaps in his periodic table of elements ? Explain your answer with an example.
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Solution
He left gaps in the table for the undiscovered elements. He discovered the properties of such elements with the help of neighboring elements.
He discovered eka-silicon with atomic mass of 72 which was later named Germanium with atomic mass 72.6
He discovered eka-silicon with atomic mass of 72 which was later named Germanium with atomic mass 72.6
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