fill in the blank 2 points mendeleev ordered elements on the periodic table by moseley ordered elements on…

fill in the blank 2 points mendeleev ordered elements on the periodic table by moseley ordered elements on the periodic table by choose your answer... number of mass atomic previous
Answer
Brief Explanations:
Mendeleev ordered elements by atomic mass. Moseley ordered them by atomic number.
Answer:
Mendeleev: mass; Moseley: number of protons (atomic number)