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