In Mendeleev ’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the perioidc table later (a) Germanium (b) Chlorine (c) Oxygen Silicon
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
- Soln:
Answer is (a) Germanium
Explanation:
Mendeleev name unnamed elements as EKA- Boron EKA- Aluminium and EKA Silicon which were later replaced as Scandium, Gallium, and germanium respectively.