Ques : In 1869, who invented a way to organize all elements into a table. based on their atomic weights?
A. Franck Whittle
B. Robert Goddard
C. Dmitri Mendeleev
D. Ernst Haeckel
Ans : C. Dmitri Mendeleev
Ques : In 1869, who invented a way to organize all elements into a table. based on their atomic weights?
A. Franck Whittle
B. Robert Goddard
C. Dmitri Mendeleev
D. Ernst Haeckel
Ans : C. Dmitri Mendeleev