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Lesson 1

Lesson 1: Hydrogen Atomic Emission Spectrum and Production of X-Rays

Lesson parts

1.1 Why a new model was neededWhy a new model was needed1.1

1.2 Bohr's postulates (hydrogen atom)Bohr's postulates (hydrogen atom)1.2

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1.3 Radii and energies of the hydrogen atomRadii and energies of the hydrogen atom1.3

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1.4 Excitation and emission in hydrogenExcitation and emission in hydrogen1.4

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1.5 The series of the hydrogen spectrumThe series of the hydrogen spectrum1.5

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1.6 LimitationsLimitations1.6

1.7 Worked examples (Lesson 1)Worked examples (Lesson 1)1.7

1.8 The spectrometerThe spectrometer1.8

1.9 Types of spectraTypes of spectra1.9

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1.10 Worked examples (Lesson 2)Worked examples (Lesson 2)1.10

1.11 What are X-rays?What are X-rays?1.11

1.12 Properties of X-raysProperties of X-rays1.12

1.13 Production: the Coolidge tubeProduction: the Coolidge tube1.13

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1.14 The X-ray spectrumThe X-ray spectrum1.14

1.15 Origin of the characteristic radiationOrigin of the characteristic radiation1.15

1.16 Origin of the continuous radiation (bremsstrahlung)Origin of the continuous radiation (bremsstrahlung)1.16

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1.17 Comparison of characteristic and continuous X-raysComparison of characteristic and continuous X-rays1.17

1.18 Applications of X-raysApplications of X-rays1.18

1.19 Worked examples (Lesson 3)Worked examples (Lesson 3)1.19

1.20 Going deeper — how Bohr's numbers are obtained, and a problem-solving workshopGoing deeper — how Bohr's numbers are obtained, and a problem-solving workshop1.20

1.21 Derivation of the radius and energy (hydrogen)Derivation of the radius and energy (hydrogen)1.21

1.22 Understanding the energy-level diagramUnderstanding the energy-level diagram1.22

1.23 Ionisation, excitation and de-excitationIonisation, excitation and de-excitation1.23

1.24 More worked examplesMore worked examples1.24

1.25 X-ray quantities for practiceX-ray quantities for practice1.25

1.26 Exam-style reasoning guideExam-style reasoning guide1.26

1.27 Chapter summaryChapter summary1.27

1.28 Common mistakesCommon mistakes1.28