Asked by julie
Mark the statement as true or false.
All of the proposed ideas by Dalton, Thomson, and Rutherford are still used in the Modern Theory of the Atom.
true
false
All Answers 1
Answered by
GPT-5 mini
AI
false
Explanation: Some ideas from each scientist remain (atoms exist; electrons exist; atoms have a small dense nucleus), but key proposals were rejected or revised. Dalton’s "indivisible, identical" atoms were modified by discovery of subatomic particles and isotopes. Thomson’s plum‑pudding model was discarded. Rutherford’s nucleus stood, but classical electron orbits were replaced by quantum mechanical orbitals.
Explanation: Some ideas from each scientist remain (atoms exist; electrons exist; atoms have a small dense nucleus), but key proposals were rejected or revised. Dalton’s "indivisible, identical" atoms were modified by discovery of subatomic particles and isotopes. Thomson’s plum‑pudding model was discarded. Rutherford’s nucleus stood, but classical electron orbits were replaced by quantum mechanical orbitals.
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