According to Mendeleev’s Periodic Law, the elements were arranged in the periodic table in the order of
(a) increasing atomic number
(b) decreasing atomic number
(c) increasing atomic masses
(d) decreasing atomic masses

Academic Chemistry NCERT Class 10

Correct answer: (a) Increasing atomic numbers

Explanation: According to Mendeleev’s periodic law, the elements were arranged in the periodic table in the order of increasing atomic number.

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Updated on: 10-Oct-2022

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