Pekka Pyykkö, for example, used computer modeling to calculate the positions of elements up to Z=172, and found that several were displaced from the Madelung energy-ordering rule.
Esa-Pekka Salonen | Jukka-Pekka Saraste | Pekka Pyykkö | Pekka Vasala | Pekka Kuusisto | Pekka Janhunen | Pekka Ala-Pietilä | Juha-Pekka Haataja | Ari-Pekka Hakala | Pekka Streng | Pekka Salminen | Pekka Ruuska | Pekka Puska | Pekka Päivärinta | Pekka Niemelä | Pekka Koskela | Pekka Korhonen |