Rutherford’s gold-foil experiment using alpha particle scattering concluded that A. the center of the atom is empty
B. atomic mass is spread over the whole atom
C. the center of the atom has a negative charge
D. most of the atom is empty

Select the correct answer from each 1. ( )was a nineteenth-century artistic movement that influenced nationalism in europe. it emerged as a reaction to the emphasis on 2. ( ) in enlightenment philosophy. 1. liberalism, socialism, romanticism 2. reason, emotion, religion