Mendeleev arranged the elements according to
A)atomic number and atomic weight.
B)atomic weight and chemical reactivity.
C)electron configuration and atomic weight.
D)physical state and relative abundance.

Question

Quizplus · Accepted Answer

Mendeleev arranged the elements in the periodic table primarily according to their atomic weight and similarities in chemical reactivity, which allowed him to predict the properties of elements that had not yet been discovered.

Mendeleev Arranged the Elements According to