If you mean his predictions about the periodic table then yes his predictions were correct.
Predictions
Jenner tested his predictions on animals first.
The Book of Predictions was created in 1980.
Predictions
Mendeleev predictions were correct.
completely different predictions. relativity predictions match experiment, ether predictions don't.
disadvantage making predictions
some are official and some are just predictions
Make predictions
what are the major predictions of the special theory of relativity
Predictions of Fire was created on 1996-10-02.