Chemistry - Atomic Structure - Electron configuration - shells and energy levels - Draw the Configuration
10 exercises where the child places electrons into shell diagrams. Show empty concentric circles (Bohr diagrams) for each atom. The child drags electrons (small dots) onto the correct shells. Atoms: 1) Hydrogen (1): 1 electron in shell 1. 2) Helium (2): 2 in shell 1. 3) Lithium (3): 2 in shell 1, 1