How did Mendeleev organize the periodic table of elements?
A) date of first discovery
B) alphabetically
C) atomic weight of the element
D) total number of electrons
E) ionization energy

Question

Quizplus · Accepted Answer

Mendeleev organized the periodic table by arranging the elements in increasing order of atomic weight. This allowed for the discovery of periodic trends in physical and chemical properties of elements, and eventually led to the modern periodic table arranged by increasing atomic number.

How Did Mendeleev Organize the Periodic Table of Elements