Which element in the modern periodic table is similar to eka-silicon?

Phosphorus

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Carbon

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Germanium

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Aluminium

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Solution

The correct option is C Germanium
Mendeleev predicted the existence of few elements and left empty spaces in his periodic table. One such element whose existence he predicted was eka-silicon. In the modern periodic table, germanium has the properties similar to that of eka-silicon.

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Similar questions

Which element replaced eka-aluminium in the modern periodic table?

Mendeleev predicted the existence of certain elements not known at that time and named two of them as eka-aluminium, and eka-silicon.

(a) Name the element which has taken the place of (i) eka-aluminium and (ii) eka-silicon

(b) Mention the period/periods of these elements in the modern periodic table.

(d) Classify these elements as metals, non-metals or metalloids.

(e) How many valence electrons are present in the atoms of each of these elements?

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