Test your understanding on electron configurations and valence electrons for main group elements. There are 5 questions–Fill in the blan, drop down menu choice, multiple choice, and matching. Click Start Quiz in the lower right corner to get to the first question. Click the nextbutton to go to the next question. Once you are satisfied with your answers, click Submit All in the lower left hand corner. You have the option to review and print your results after the quiz is submitted.