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Creado por alex.examtime9373
hace más de 10 años
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Pregunta | Respuesta |
Structure of the atom | Negatively charged electrons orbiting a positively charged nucleus |
Rutherfords gold foil experiment | There is a dense positive core at the centre of the atom around which the electrons orbit |
Type of radiation used in Rutherford's experiment | Alpha radiation |
Bohr model | The nucleus was composed of protons and neutrons packed tightly together; electrons spin around it in fixed orbits |
Increase in electron ring radius corresponds with ... | Increase in energy level |
When atoms gain energy | Electrons jump from a lower energy state to the next energy level |
When electrons return to their original level | They emit a photon |
Emission line spectra | Caused by photon emission |
Spectrometer | Used to demonstrate line spectra |
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