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otázka		odpověď
What did Democritus suggest? začněte se učit		Everything is made of tiny particles called atoms
What was Daltons model? začněte se učit		Atoms were tiny solid spheres and different elements had different atoms
What did J.J. Thomson discover? začněte se učit		The electron and plum pudding model
What was the plum pudding model? začněte se učit		A ball of positive charge with negative electrons embedded inside
What experiment did Rutherford carry out? začněte se učit		The gold foil alpha scattering experiment
What did Rutherford discover? začněte se učit		Atoms are mostly empty space within a small positive nucleus
What did Chadwick discover? začněte se učit		The neutron
What was the order of the history of the atom? začněte se učit		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