GK
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which scientist described a positively charged core ("nucleus") in the middle of a lot of empty space?
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Chadwick
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Thomson
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Rutherford
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Bohr
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Explanation:
Detailed explanation-1: -Rutherford’s gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus. Based on these results, Rutherford proposed the nuclear model of the atom.
Detailed explanation-2: -In 1919 Rutherford had discovered the proton, a positively charged particle within the atom’s nucleus.
Detailed explanation-3: -Rutherford discovered protons and the nucleus. He showed that atoms have (+) particles in the center, and are mostly empty space. He called these (+) particles protons.
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