## Summary:

- Quantum mechanics is the study of the motion of objects that are atomic or subatomic in size and thus demonstrate wave-particle duality.
- In quantum mechanics, electrons exist simultaneously as both a particle and a wave.
- We cannot specify accurately the location of an electron.
- All we can say is that there is a probability that it exists within this certain volume of space.
- The scientist Erwin Schrödinger developed an equation that deals with these calculations, which we will not pursue at this time.

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