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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements3 Marks
Question
State the merits of Mendeleev’s classification of elements.
✓

Answer

Merits of Mendeleev’s classification of elements:
  1. Mendeleev’s periodic law predicted the existence of some elements that had not been discovered at that time.
  2. Mendeleev’s periodic table could predict the properties of several elements on the basis of their positions in the periodic table.
  3. It could accommodate noble gases when they were discovered.

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