Class 10SciencePeriodic Classification of ElementsMix Examples - Periodic Classification of Elements
MediumMendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-silicon and Eka-aluminium.
$(a)$ Name the elements which have taken the place of these elements.
$(b)$ Mention the group and the period of these elements in the Modern Periodic Table.
$(a)$ Name the elements which have taken the place of these elements.
$(b)$ Mention the group and the period of these elements in the Modern Periodic Table.
(A) The element that replaced Eka-silicon is Germanium $(Ge)$ and the element that replaced Eka-aluminium is Gallium $(Ga)$.
$(b)$ In the Modern Periodic Table,Germanium $(Ge)$ belongs to Group $14$ and Period $4$. Gallium $(Ga)$ belongs to Group $13$ and Period $4$.
$(b)$ In the Modern Periodic Table,Germanium $(Ge)$ belongs to Group $14$ and Period $4$. Gallium $(Ga)$ belongs to Group $13$ and Period $4$.
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