2022-09-10

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Chemistry in a Nutshell

The Bohr Model of the atom might not be correct, but it certainly gives us great metaphors to understand a lot about atoms. Learn about destructive interference of electrons in orbitals and an intro to the Schrödinger equation without complicated math.

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Time Stamps:

0:00 Free vs Bound Electrons

0:21 Rainbows (Discrete Energy in Photons)

1:26 Atomic Orbitals & Energy Levels

2:09 Schrödinger Equation

2:53 Wave-Particle Duality

4:22 Constructive vs Destructive Interference

5:27 Discrete Energy Levels Explained (de Broglie's Condition)

Citations:

This video is based on information found in chapter 6 of OpenStax Chemistry 2e. OpenStax publishes high-quality, peer-reviewed, free online textbooks. Seriously:

Flowers, P., Theopold, K., Langley, R., & Robinson, W.R. (2019, Feb 14). Chemistry 2e. OpenStax. https://openstax.org/details/books/chemistry-2e

pg. 295, Figure 6.13 Compare the two types of emission spectra: continuous spectrum of white light (top) and the line

spectra of the light from excited sodium, hydrogen, calcium, and mercury atoms. Continuous spectrum and emission spectrum of calcium were used to show continuous and discrete spectra of a rainbow.

pg 308, Figure 6.21 Shapes of s, p, d, and f orbitals.

Layout and color scheme changed, but information is unchanged.

pg 309, Figure 6.22 The chart shows the energies of electron orbitals in a multi-electron atom.

Layout and color scheme changed, but information is unchanged.

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#ChemistryEducation #Atom #Electrons