In Rutherford's gold foil experiment, most alpha particles passed through the gold foil without deflection and were detected on the screen. What caused the particles to pass through without any deflection?
O A. a large area of positively charged particles present In the gold foil
O B. the extremely high speed of the alpha particles passing through the gold foll
© C. a small area of negatively charged particles present in the gold foil
O D.
empty space In the atoms present in the gold foll
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chemical changes occur when a substance combines with another to form a new substance, called chemical synthesis or, alternatively, chemical decomposition into two or more different substances. these processes are called chemical reactions and, in general, are not reversible except by further chemical reactions. some reactions produce heat and are called exothermic reactions and others may require heat to enable the reaction to occur, which are called endothermic reactions. understanding chemical changes is a major part of the science of chemistry.