WBCS.LIVE practice question

According to Mendeleev's Periodic Law, elements were arranged on the basis of __________ in the periodic table?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. increasing atomic number
  2. decreasing atomic number
  3. decreasing atomic masses
  4. increasing atomic masses

Correct answer and explanation

Correct answer: increasing atomic masses