Mendeleev saw trends in the physical and chemical properties of elements when he organized them by _____.


atomic number

physical properties

atomic weight

density

Respuesta :

Answer:

atomic weight

Explanation:

Mendeleev realised that the physical and chemical properties of elements were related to their atomic weight

hope it helps4

Answer:

atomic number

Explanation:

the density just aint the right anser and yeah u already know

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