Activity electronic configuration (Chemistry 9th grade-2019)

Hello Students, please, in order to practise the electronic configuration, make these exercises for next week in class (in your notebook): 1. Electronic configuration and orbital diagram for Ac, Kr, S, U, Ra.

2. Choose 4 elements from periodic table belonging to four sections (s, p, d, f), located in different periods, and carry out the electronic configuration and orbital diagram.