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According to Mendeleev's Periodic Law, the elements were arranged in the periodic table in the order of
Aincreasing atomic number
Bdecreasing atomic number
Cdecreasing atomic masses
Dincreasing atomic masses
Answer & Solution
Correct answer: D. increasing atomic masses
This Periodic Classification of Elements item tests a core Chemistry concept.
Correct answer: increasing atomic masses.
_Source: NCERT Exemplar Science Class 10 (NCERT)_
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