TASK 1:  Study the document and use the links within it to watch the videos.  edu.rsc.org/download?ac=13372

TASK 2:  Watch the videos below to help you understand what orbitals are and where electrons are. 

TASK 3:  Look at the pictures of electron clouds to help you visualise orbitals and electron density. 

TASK 4:  Complete the worksheets below. Use the orbital filling diagram and the PowerPoint below to help you.