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Question
Prior to the experiments with cathode tubes, the smallest particles that make up the matter was believed to be ______ .
Prior to the experiments with cathode tubes, the smallest particles that make up the matter was believed to be ______ .
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Solution
The correct option is A atoms
Prior to the discovery of the first subatomic particles, John Dalton suggested that matter was made of tiny, indivisible particles called atoms. After that, the subatomic particles like electrons, protons, neutrons were discovered.
Prior to the discovery of the first subatomic particles, John Dalton suggested that matter was made of tiny, indivisible particles called atoms. After that, the subatomic particles like electrons, protons, neutrons were discovered.
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