Question

Mendeleev predicted the element eka-silicon, meaning 'beyond silicon', which was later found to be Phosphorous.

• A. True
• B. False

Answer 1

The correct option is B False

Mendeleev predicted the discovery of three elements eka-silicon, eka-boron, and eka-aluminium. He left spaces in his periodic table for these elements.

1. Eka-silicon was found to be Germanium.
2. Eka-boron was found to be Scandium.
3. Eka-aluminum was found to be Gallium.