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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
Question
In Mendeleev's periodic table, gaps were left for the elements to be discovered later on. An element which found a vacant place in the periodic table later on is:
  1. Be.
  2. Si.
  3. Ge.
  4. Se.
✓

Answer

  1. Ge.

Explanation:

Germanium (eka - silicon) is the element which found a vacant place in the periodic table later on.

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