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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? - CBSE Class 10 - Science

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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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APPEARS IN

 Lakhmir Singh Solution for Chemistry for Class 10 (2019 Exam) (2018 to Current)
Chapter 5: Periodic Classification Of Elements
Q: 11 | Page no. 282
Solution 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? Concept: Achievements of Mendeleev’s Periodic Table.
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