Pros: A very nice demonstration of how electron orbitals are filled. Try starting at a low atomic number and increase across the periodic table. The symbols used for the Natural state of the elements are very informative at a glance.
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Cons: Going up in the periodic table is not always up. For example, going up from Lithium takes you nowhere. When you are on the top element in a column and you go up, you suddenly appear at the bottom.
There is an awful lot of empty space in the table, some of you may like that.