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Chem. Chapter 7
vocab for Ch. 7
| Question | Answer |
|---|---|
| wavelength (l) | distance between identical points on successive waves |
| frequency | number of waves that pass a given point per unit time |
| amplitude | height measured from the center of a wave, the squared of the amplitude gives the intensity |
| speed | wavelength multiplied by its frequency in reciprocal seconds |
| photon | particle of light |
| atomic spectra | results from excited atoms emitting light |
| line spectra | results from electron transitions between specific energy levels |
| quantum numbers | n,l,m |
| n | pricipal quantum number: positive integer: number of last orbital |
| l | angular momentum: find by s=0, p=1, d=2, f=3 |
| m(l) | magnetic momentum: what it is asking for in its orbital diagram |
| m(s) | negative or positive 1/2: depends on where it falls in the orbital diagram |
| s orbital | spherical in shape, radius of shere increases with increasing value of n |
| p orbitals | have two lobes with a node between them |
| d orbitals | four of the five orbitals have 4 lobes; the other resembles a p orbital with a doughnut around the center |
Created by:
dee_roberts_1223
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