what did rutherford's gold-foil experiment tell about the atom?
A) that an atom's nucleus and its electrons took up equal space
B) that the atom mostly consisted of empty space
C) that the atom mostly made up of negatively charged electrons
D) that atoms were much smaller than alpha particles

The gold foil experiment by Rutherford demonstrated that the atom is essentially empty space with a tiny, compact, positively charged nucleus. Rutherford suggested the nuclear model of the atom based on these findings.

Rutherford deduced from the observation that most alpha particles passed straight through the gold foil that the positive charge of an atom is concentrated in a very small location known as the nucleus. Atoms are largely made up of empty space. Negatively charged electrons are dispersed throughout this region but occupy only a small portion of it.

Hence the correct option is B.

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what did rutherford's gold-foil experiment tell about the atom? A) that an atom's nucleus and its electrons took up equal space B) that the atom mostly consisted of empty space C) that the atom mostly made up of negatively charged electrons D) that atoms were much smaller than alpha particles

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what did rutherford's gold-foil experiment tell about the atom?
A) that an atom's nucleus and its electrons took up equal space
B) that the atom mostly consisted of empty space
C) that the atom mostly made up of negatively charged electrons
D) that atoms were much smaller than alpha particles