Volume III - Semiconductors
Chapter 2.2 Quantum physics
"Since elements with identical electron configurations in their outermost shell(s) exhibit similar chemical properties, Dimitri Mendeleev organized the different elements in a table accordingly."
It's better to spell his name as "Dmitri"
http://en.wikipedia.org/wiki/Dmitri_Mendeleev
Chapter 2.2 Quantum physics
"Since elements with identical electron configurations in their outermost shell(s) exhibit similar chemical properties, Dimitri Mendeleev organized the different elements in a table accordingly."
It's better to spell his name as "Dmitri"
http://en.wikipedia.org/wiki/Dmitri_Mendeleev