This reference list does not appear in the article.
↑ 1.01.1Hoffman, Darleane C.; Lee, Diana M.; Pershina, Valeria (2006). "Transactinides and the future elements". In Morss; Edelstein, Norman M.; Fuger, Jean. The Chemistry of the Actinide and Transactinide Elements (3rd ed.). Dordrecht, The Netherlands: Springer Science+Business Media. ISBN978-1-4020-3555-5.
↑Àṣìṣe ìtọ́kasí: Invalid <ref> tag; no text was provided for refs named BFricke
↑Thayer, John S. (2010). "Relativistic Effects and the Chemistry of the Heavier Main Group Elements". Relativistic Methods for Chemists. Springer. pp. 63–67. doi:10.1007/978-1-4020-9975-5_2. ISBN978-1-4020-9974-8.