Try it!

[ciscode|rev=1|tool=elmsmedia|item=3323|entity_type=node|render=display_mode|display_mode=h5p]

Which of the following is the correct electron configuration for a neutral bromine atom? [ciscode|rev=1|tool=elmsmedia|item=2663|entity_type=node|render=display_mode|display_mode=h5p]

Which of the following atoms or ions have the largest number of unpaired electrons in their ground state configuration? [ciscode|rev=1|tool=elmsmedia|item=2567|entity_type=node|render=display_mode|display_mode=h5p]

You can even explore the app in the ebook to quiz yourself on configurations of atoms and ions!