Mendeleev left a gap for an element he called eka-aluminium. This element was later discovered as
A. germanium
B. scandium
C. silicon
D. gallium
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Best answer
Answer: D. gallium
Eka-aluminium is gallium; eka-silicon is germanium and eka-boron is scandium.
Doubtly AI
· 24 Oct 2026
AI-verified · Oct 2026
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