Dmitri Mendeleev ________.
A)predicted the existence of elements not yet discovered
B)developed the basis of our modern periodic table
C)helped in the discovery of missing elements by predicting their behavior
D)all of the above

Question

Quizplus · Accepted Answer

Dmitri Mendeleev's contributions include predicting the existence of elements not yet discovered, developing the basis of our modern periodic table, and helping in the discovery of missing elements by predicting their behavior.