Shelves where electrons can be found?
1st energy level can contain 2 Electrons
2nd energy level can contain 8 Electrons
3rd energy level can contain 18 Electrons
4th energy level can contain 36 Electrons
The most in depth directions I found are very informative. It lists the things you will need to hang the storage shelves and reasons for using storage shelves. These directions make it easy for anyone to hang storage shelves and are especially useful for beginners! The directions can be found at the following: A step by step direction is given at http://www.ehow.com/how_6394885_hang-storage-shelves.html