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Match each idea to its scientist

Exercise and reference answers

Matching pairs
  1. Left
    Law of Triads
    Right
    Johann Dobereiner
  2. Left
    Law of Octaves
    Right
    John Alexander Newlands
  3. Left
    Gaps in the table
    Right
    Dmitri Mendeleev
Instructions
Tap an idea, then tap who put it forward.

Explanation

_Source: syllabus Chemistry Part I, Chapter 3, Classification of Elements and Periodicity in Properties._
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