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?

Answer 1

(i) Eka-boron was named scandium (Sc).

(ii) Eka-aluminium was named gallium (Ga).

(iii) Eka- silicon was named germanium (Ge).