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  • Eka-boron, Eka-aluminium and Eka-silicon are known asOption: 1 Scanidium, Gallium and GermaniumOption:

Eka-boron, Eka-aluminium and Eka-silicon are known as

Option: 1

Scanidium, Gallium and Germanium


Option: 2

Beryllium, Aluminium and Silicon


Option: 3

Scandium, Iron and Sulphur


Option: 4

Scanidium, Gallium and Technitium


Answers (1)

best_answer

Mendeleev predicted the existence of certain elements which were not discovered at that
time. He also suggested their properties on the basis of the known elements which come
prior to them in the periodic table. He named those unknown elements using prefix ‘Eka-‘ to the name of the known elements which come prior to them in the periodic table. Eka means have similar configuration.


Eka – Boron = Scandium
Eka – Aluminium = Gallium
Eka – Silicon = Germanium

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sudhir.kumar

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