Who discovered that atomic particle configurations include a heavy uncharged component, predicting the Neutron before its physical extraction? MCQ with Answer and Explanation
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Question #1
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Who discovered the existence of the atomic nucleus through the famous Gold Foil Experiment?
Correct Answer: Option C
Explanation:
Ernest Rutherford discovered the dense, positively charged atomic nucleus in 1911 by firing alpha particles at thin gold sheets.
Ernest Rutherford discovered the dense, positively charged atomic nucleus in 1911 by firing alpha particles at thin gold sheets.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered the presence of electrons within stable atomic configurations by modeling the 'Plum Pudding' atom?
Correct Answer: Option D
Explanation:
J.J. Thomson proposed the model where small negatively charged electrons are embedded in a uniform sphere of positive charge.
J.J. Thomson proposed the model where small negatively charged electrons are embedded in a uniform sphere of positive charge.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who discovered that biological chromosomes carry the unique hereditary factor tracking layouts, establishing Chromosome Theory?
Correct Answer: Option A
Explanation:
Sutton and Boveri independently identified in 1902 that chromosome pairing and separation match Mendelian inheritance laws.
Sutton and Boveri independently identified in 1902 that chromosome pairing and separation match Mendelian inheritance laws.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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