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NEET
Exam
NEET
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

NEET · Chemistry · Classification of Elements and Periodicity in Properties

What did Johann Dobereiner note about the physical and chemical...

What did Johann Dobereiner note about the physical and chemical properties of several groups of three elements?

Options

  1. AThey had no similarity
  2. BThey were unrelated
  3. CThey formed Triads
  4. DThey were all identical

Correct answer

C. They formed Triads

Step-by-step solution

Johann Dobereiner noted a similarity among the physical and chemical properties of several groups of three elements, which he referred to as Triads.
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