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Question 47 (b) Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium. Mention the group and the period of these elements in the Modern Periodic Table. |
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Answer» Question 47 (b) Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium. Mention the group and the period of these elements in the Modern Periodic Table. |
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