Bibliography

"Convert Units - Physical and chemical properties of Einsteinium" http://www.convertunits.com/ (accessed 16 February 2013)

http://chemistry.about.com/od/elementgroups/a/actinides.htm (assessed 18 February 2013)

"Daily Science - Einsteinium"http://chemical-elements.sciencedaily.com (accessed 18 February 2013)

"Thenewboston - Lesson 30 Electronegativity" https://www.youtube.com/watch?v=8N3jq4iljLM (accessed 18 February 2013)

http://environmentalchemistry.com/yogi/periodic/Es.html#Atomic (accessed 18 February 2013)

http://www.encyclopedia.com/topic/einsteinium.aspx (accessed 19 February 2013)

http://www.chemicool.com/elements/einsteinium.html (accessed 19 February 2013)

http://www.wisegeek.com/what-is-einsteinium.htm (accessed 19 February 2013)