Niels Bohr

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5 Terms

1
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Did

  • set up an experiment with hydrogen gas, light and prism

2
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Saw

  • created colour spectrums with gaps

  • once light was turned off light would glow

3
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Contribution

  • absorption spectrum

  • Energy levels

  • Electrons move out when they absorb energy and in when they release energy.

4
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Absorption Spectrum

• Pattern of dark lines are absorbed wavelengths

• atoms absorb specific wavelengths.

• Helps identify elements and understand substance composition.

5
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Energy Levels

• calculated states where electrons orbit nucleus.

• Electrons move between levels through energy absorption/emission.

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