Here is a quiz on the Periodic Table- If you can aswer all the questions corectly then you probably are in the excellent category and have very good knowledge of the Periodic Table. You can certainly do well in exams if you do well here.
If you have any doubts about your abilities you can clear them by taking this great quiz on the Periodic Table. The quiz will tell you how well informed you are on the PT. Try the quiz and see how your confidence comes back !