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Question

The three elements predicted by Mendeleev from the gaps in his periodic table were known as eka-boron, eka-aluminium and eka-silicon. What names were given to these elements when they were discovered later on?

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Solution

(i) Eka-boron was named Scandium (Sc).

(ii) Eka-aluminium was named Gallium (Ga).

(iii) Eka- silicon was named Germanium (Ge).


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