Mendeleev arranged the elements by what physical property? atomic number atomic mass boiling point density
2 answers:
Answer : The correct option is, Atomic mass.
Explanation :
According to Mendeleev, the elements and their compounds having same chemical properties showed a periodic trend. He arranged the elements having similar properties below each other into groups.
He arranged the elements in order of their increasing relative atomic masses.
Hence, the correct answer is, Atomic mass.
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