In the anchor set, there is one example for each score point ranging from 1 up to 4 for questions 1 and 2.
In the discussion set, there is one example for each score point ranging from 1 up to 4 for questions 1 and 2.

Please answer the following questions by yourself.

1. Based upon the experiments you have completed, group the elements according to their relative magnetic properties and their densities. Explain the basis for your classification system.