Question

which property of atoms was used by mendeleeffs to classify the elements​

Answer 1

Mendeleev used atomic weight as the basis of classification of elements in the periodic table. He arranged the then known elements in order of increasing atomic weights grouping together elements with similar properties.

Answer 2

Answer:

Mendeleev used atomic weight as the basis of classification of elements in the periodic table. He arranged the then known elements in order of increasing atomic weights grouping together elements with similar properties.