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Вопрос		Ответ
What did Democritus suggest? начать обучение		Everything is made of tiny particles called atoms
What was Daltons model? начать обучение		Atoms were tiny solid spheres and different elements had different atoms
What did J.J. Thomson discover? начать обучение		The electron and plum pudding model
What was the plum pudding model? начать обучение		A ball of positive charge with negative electrons embedded inside
What experiment did Rutherford carry out? начать обучение		The gold foil alpha scattering experiment
What did Rutherford discover? начать обучение		Atoms are mostly empty space within a small positive nucleus
What did Chadwick discover? начать обучение		The neutron
What was the order of the history of the atom? начать обучение		Democritus-idea of atoms, John Dalton-solid sphere model, J.J. Thomson-electron discovered + plum pudding model, Ernest Rutherford-nucleus, Niels Bohr-electrons in the shell, James Chadwick-neutron

Chemistry - History of the Atom