Multiple choice exercise where you have to select elements in the Periodic Table, depending on the questions you ask yourself.
The application will make you 20 questions, which arbitrarily selected from among 210 possible. Whenever hit the element sumarás 0.6 points and if you can not subtract 0.3.
It is intended to start familiarize yourself with the use of this powerful tool. Groups, periods, atomic number, lanthanides, actinides, are some of the topics you'll need to know to solve the application.
It is important to know that if your teacher asks you to perform this work and write your email in the initial application form, will arrive via mail your data and correction level you've had in the activity.
You know that you can perform the exercise as many times as you want until you are happy with your note