MCQ
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 periodic table later?
  • Germanium
  • B
    Chlorine
  • C
    Oxygen
  • D
    Silicon

Answer

Correct option: A.
Germanium
Chlorine, oxygen and silicon were included in Mendeleev's periodic table. Germanium was discovered later which fit into the empty spaces left by Mendeleev and matched to the expected properties.

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