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  9. Q302

RRB Group D (Level-1 posts) 2022 · Question 302 of 598

Mendeleev's Periodic Law states that:

  1. AThe properties of elements are the periodic function of their atomic massesCorrect
  2. BThe properties of elements are the periodic function of their atomic numbers
  3. CThe properties of elements are the periodic function of their colour
  4. DThe properties of elements are the periodic function of their magnetic properties

Answer: A. The properties of elements are the periodic function of their atomic masses

Explanation

Mendeleev’s Periodic Law states that the properties of elements are periodic functions of their atomic masses. This was the basis of the original periodic table developed by Dmitri Mendeleev.

Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 2) - Prepp · reliable-secondary

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