Question

2. Mendeleev kept some blank spaces in the periodic table for the elements that were yet to be discovered.

Name those elements and what were the names given to them?​

Answer 1

Explanation:

scandium, gallium and discovered later.Mendeleev named them by prefixing a Sanskrit numeral Eka one ) to the name of preceding element in the same group. Estimated Element Actual Element Eka - boron Scandium Eka - aluminium Gallium Eka - silicon Germanium