Perhaps the greatest triumph of Mendeleev’s periodic table was
A. the use of rows and columns to organize the elements.
B. the ability to predict electron configurations of elements.
C. the use of atomic numbers as an organizing criterion.
D. the prediction of the existence of undiscovered elements.
Answer:D
Perhaps the greatest triumph of Mendeleev’s periodic table was
A. the use of rows and columns to organize the elements. B. the ability to predict electron configurations of elements. C. the use of atomic numbers as an organizing criterion. D. the prediction of the existence of undiscovered elements.