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Question
In Mendeleev's Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later?
In Mendeleev's Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later?
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Solution
The correct option is D Germanium
Mandeleev named the undiscovered elements as Eka-boron, Eka-aluminlum and Eka-silicon. These were replaced with scandium, gallium and germanium respectively in due course of time.
Mandeleev named the undiscovered elements as Eka-boron, Eka-aluminlum and Eka-silicon. These were replaced with scandium, gallium and germanium respectively in due course of time.
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