Modern Physics Atoms and Molecules 1 Thomson believed that the atom was like a ball of pudding with the electrons trapped inside like plums. positive nucleus.

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Presentation transcript:

Modern Physics Atoms and Molecules 1 Thomson believed that the atom was like a ball of pudding with the electrons trapped inside like plums. positive nucleus negative electrons

Modern Physics Atoms and Molecules 2 Bohr believed that the atom was like a miniature solar system with the electrons revolving around a positive nucleus. Bohr asserted that the electrons could only have certain values of angular momentum.

Modern Physics Atoms and Molecules 3

Modern Physics Atoms and Molecules 4

Modern Physics Atoms and Molecules 5