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Chemistry, 22.08.2019 18:50 justinrojo621

Which group of atomic models is listed in historical order from the earliest to the most recent?
(1) hard-sphere model, wave-mechanical model, electron-shell model
(2) hard-sphere model, electron-shell model, wave-mechanical model
(3) electron-shell model, wave-mechanical model, hard-sphere model
(4) electron-shell model, hard-sphere model, wave-mechanical model

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Which group of atomic models is listed in historical order from the earliest to the most recent?
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