Mendeleev's Predicted Elements

Dmitry Mendeleev predicted four then undiscovered chemical elements in 1869. Can you name them all?

The preffix "eka-" means 1 in Sanskrit. With the exception of Eka-boron, all predicted elements are one place down from the known element of the same group on the periodic table.

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Last updated: September 15, 2022

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First submitted	September 15, 2022
Times taken	3
Average score	50.0%
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Mendeleev's Name	Modern Name
Eka-aluminium	Gallium
Eka-silicon	Germanium

Mendeleev's Name	Modern Name
Eka-boron	Scandium
Eka-manganese	Technetium

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