Please help me,does anyone know what this is called? (serious question)?

Question

It's used mainly in science class, we have a test over it tomorrow,but I dont know the name of it so I cant print papers off to study,I had to draw an example so here it is:

http://i77.photobucket.com/albums/j58/LifeTimeMoments/untitled-2.jpg

Answer 1

It's a Bohr-Rutherford Diagram.