Structure
http://www.chem.lsu.edu/htdocs/people/sfwatkins/ch4570/lattices/lattice.html (Rank: 1001923)
http://www.chem.ox.ac.uk/icl/heyes/structure_of_solids/Strucsol.html (Rank: 1079321)
http://www.newi.ac.uk/buckleyc/atomic.htm (Rank: 1093938)
http://www.encyclopedia.com/doc/1E1-atom.html (Rank: 1314850)
http://chemed.chem.purdue.edu/genchem/topicreview/bp/ch6/atom_emrframe.html (Rank: 1358905)
http://www.geom.uiuc.edu/apps/quasitiler/ (Rank: 1941655)
http://dbhs.wvusd.k12.ca.us/webdocs/Chem-History/Rutherford-1914.html (Rank: 1946210)
http://www.factmonster.com/ce6/sci/A0856761.html (Rank: 2050242)
http://members.optusnet.com.au/scottsofta/AtStr.htm (Rank: 2211817)
http://www.ilpi.com/organomet/hydride.html (Rank: 2404944)