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

Silicon

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Gallium

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Germanium

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Arsenic

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Solution

The correct option is B
Gallium

In 1871 Mendeleev predicted the existence of a yet-undiscovered elements and left gap for these in his periodic table. He named one of the element as eka-aluminium because of its proximity with the properties of aluminium. Later this gap was filled by gallium.

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Similar questions

Q. Which element replaced eka-silicon in the modern periodic table?

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

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?

Q. The element eka-silicon in Mendeleev's period table is known as ________ in the modern periodic table.

Mendeleev predicted the existence of certain elements not known at that time and named two of them as Eka-Silicon and Eka-Aluminium.
What is the group and the period of these elements in the Modern Periodic Table.

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

The correct option is B Gallium In 1871 Mendeleev predicted the existence of a yet-undiscovered elements and left gap for these in his periodic table. He named one of the element as eka-aluminium because of its proximity with the properties of aluminium. Later this gap was filled by gallium.

The correct option is B
Gallium

In 1871 Mendeleev predicted the existence of a yet-undiscovered elements and left gap for these in his periodic table. He named one of the element as eka-aluminium because of its proximity with the properties of aluminium. Later this gap was filled by gallium.