Mendeleev's eka-silicon, whose properties he predicted before its discovery, is the element now called

Agermanium
Bgallium
Cscandium
Dtin

Answer: A

Mendeleev left gaps below boron, aluminium and silicon and named them eka-boron, eka-aluminium and eka-silicon. These were later found to be scandium, gallium and germanium respectively.

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