ATOMIC TIMELINE 440 B.C. ------- 1803 -------1897 ------- 1911 ------- 1922 ------- 1927 ------- 1930 Atomic Structure Timeline http://atomictimeline.net/index.php Who stated electron paths cannot be predicted http://wiki.answers.com/Q/Who_stated_electron_paths_cannot_be_predicted Atomic - Timeline Index www.timelineindex.com/content/select/1375 Atomic Timeline http://ffden-2.phys.uaf.edu/212...web.../Atomic_Timeline.htm Who was the first to propose that electrons moved in ... http://wiki.answers.com/Q/Who_was_the_first_to_propose_that_electrons_mov ed_in_definite_orbits Who thought atoms constantly move http://wiki.answers.com/Q/Who_thought_atoms_constantly_move BBC - GCSE Bitesize - Atoms and atomic structure www.bbc.co.uk/schools/gcsebitesize/.../atomsrev_print.shtml Who was the person to say that elements combine in http://wiki.answers.com/Q/Who_was_the_person_to_say_that_elements_combi ne_in_specific_proportions Who discovered atoms of the same element are exactly alike http://wiki.answers.com/Q/Who_discover_%27%27atoms_of_the_same_elemen t_are_exactly_alike%27%27 Who discovered electrons move in empty space in an atom http://wiki.answers.com/Q/Who_discovered_electrons_move_in_empty_space_i n_an_atom Who discovered that there is a small positively ... http://wiki.answers.com/Q/Who_discovered_that_there_is_a_small_positively_c harged_nucleus Who discovered most of an atom's mass is in the nucleus http://wiki.answers.com/Q/Who_discovered_most_of_an_atom%27s_mass_is_in _the_nucleus Who said electrons jump between levels from path to path http://wiki.answers.com/Q/Who_said_electrons_jump_between_levels_from_pa th_to_path Atomic theory - Wikipedia, the free encyclopedia http://en.wikipedia.org/wiki/Atomic_theory Evidence for a Nucleus http://www.colorado.edu/physics/2000/periodic_table/nucleus_evidence.html