What is the name of the Russian chemist who was a pioneer in the development of the periodic law?
A. Meyerovic
B. Mendeleev
C. Döbereiner
D. Berzelius
Answer:B
What is the name of the Russian chemist who was a pioneer in the development of the periodic law?
A. Meyerovic B. Mendeleev C. Döbereiner D. Berzelius