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Questions and Answers
Who discovered that the atom is not indivisible and is made up of even smaller particles called electrons, protons, and neutrons?
Who discovered that the atom is not indivisible and is made up of even smaller particles called electrons, protons, and neutrons?
Sir J.J. Thomson
What did Eugen Goldstein's discovery of anode rays establish about the atom?
What did Eugen Goldstein's discovery of anode rays establish about the atom?
Presence of positively charged proton
According to Thomson's plum-pudding model, how are atoms described?
According to Thomson's plum-pudding model, how are atoms described?
Large sphere of uniform positive charge with scattered electrons
What experiment performed by Geiger and Marsden led to the failure of Thomson's plum-pudding model?
What experiment performed by Geiger and Marsden led to the failure of Thomson's plum-pudding model?
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What particles are typically found in the nucleus of an atom?
What particles are typically found in the nucleus of an atom?
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How many electrons can the L-shell accommodate in an atom?
How many electrons can the L-shell accommodate in an atom?
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What did Ernest Rutherford's experiment with alpha particles and gold foil lead to the discovery of?
What did Ernest Rutherford's experiment with alpha particles and gold foil lead to the discovery of?
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What does the atomic number of an atom indicate?
What does the atomic number of an atom indicate?
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How did Niels Bohr revise Ernest Rutherford's atomic model?
How did Niels Bohr revise Ernest Rutherford's atomic model?
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What is meant by a 'stationary state' in an atom?
What is meant by a 'stationary state' in an atom?
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What is the relationship between the numbers of electrons and protons in an atom?
What is the relationship between the numbers of electrons and protons in an atom?
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What is a shell in an atom?
What is a shell in an atom?
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What is revealed by the atomic number of an element?
What is revealed by the atomic number of an element?
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What does Ernest Rutherford's experiment with alpha particles suggest about the nucleus?
What does Ernest Rutherford's experiment with alpha particles suggest about the nucleus?
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