Which one of the following scientists began arranging the elements in the periodic table in order of increasing atomic mass?
مندرجہ ذیل میں سے کون سا سائنسدانوں نے جوہری ماس میں اضافہ کرنے کے لئے متواتر جدول میں عناصر کا اہتمام کرنا شروع کیا؟
Answer: Dimitri Mendeleev
Explanation
Dimitri Mendeleev arranged the elements in order of increasing atomic mass, creating the first widely recognized periodic table.
His arrangement helped predict properties of undiscovered elements and left gaps for them in the table.
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