This Is What It Looks Like When Atoms Collide
alpha particle = a positively charged particle, identical to the nucleus of a helium-4 atom, composed of two protons and two neutronsprojectile = an object that is thrown or shot forwards with force finicky = showing or requiring great attention to detail felt = a kind of cloth made by rolling and pressing wool or another suitable textile deflect = cause (something) to change direction plum pudding model = proposed by J.J. Thomson in 1904, describes the atom as a sphere of diffuse positive charge with negatively charged electrons embedded within it, much like plums in a plum pudding. infer = conclude