Use the resources below to prepare a page of A4 notes on electronic configuration.
Click on the link and then watch the video. You then need to click on the 'think' link next to the video.
From 5.30 onwards. Lengthy but comprehensive.
More detailed videos can be found at the Khan academy website:
Complete the multiple choice quiz here:
Use this game to practice matching ions and atoms with their electronic configurations. Click on the link then choose valence electrons from the game menu. You can also practice the isoelectronic game.