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Question: Answered & Verified by Expert
Mendeleef's periodic law is based on
ChemistryClassification of Elements and Periodicity in PropertiesJEE Main
Options:
  • A Atomic weight
  • B Atomic number
  • C Number of neutrons
  • D None of the above
Solution:
1575 Upvotes Verified Answer
The correct answer is: Atomic weight
Mendeleev's periodic law is based on atomic mass. He proposed that properties of elements varied regularly with the atomic mass.

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