Term
| electromagnetic radiation |
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Definition
means of energy transfer, all electromagnetic radiation travels at the speed of light (c) 3.00 × 108
meters/ second
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Definition
| distance between two consecutive peaks or troughs |
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Definition
| number of waves per second that pass a given point in space |
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Term
| wavelength in relation to frequency |
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Definition
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Term
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Definition
| eletromagnetic radiation exhibit both wave and particle properties |
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Term
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Definition
energy is quantized and can only be gained or lost in discrete units called quanta or integer multiples of hV, E = nhV h is Planck's Constant (6.626 × 10-34)
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Term
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Definition
electromagnetic radiation can be viewed as a stream of "particles" called photons E = hV = hc/ λ also discovered that energy has mass m = E/c2 = h/λc |
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Definition
All matter exhibits particlulate and wave properties λ = mv v is for velocity here |
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Term
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Definition
| contains all wavelengths of visible light |
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Definition
| contains only a few lines, which correspond to discrete wavelengths |
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Term
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Definition
| E = -2.178 × 10-18 J (Z2 / n2 ) |
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Term
| Heisenberg Uncertainty Principle |
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Definition
| we never know where exactly an electron is |
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Term
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Definition
| the address of an electron |
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Term
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Definition
principle quantum number or the energy level 1- s 2 - s,p 3 - s,p,d 4 - s,p,d,f |
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Definition
angular momentum quantum numbers n - 1 0-s 1-p 2-d 3-f |
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Term
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Definition
magnetic quantum number - l to l |
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Term
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Definition
electron spin - 1/2 + 1/2 |
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Term
| Pauli exclusion principle |
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Definition
| no two electrons can have the same address or the same set of principle quantum numbers |
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Term
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Definition
| for every proton, there is an electron |
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Definition
| one electron in each orbital before they double up |
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Definition
The energy it takes to remove an electron. Increases as you go left to right in a period Decreases as you go down a group/family |
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Definition
energy needed to ADD an electron More negative as you go from left to right in a period More positive as you go down a group/family |
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Definition
| As an energy level is filled, it becomes a "shield" from the nucleus |
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Term
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Definition
half the distance between two indentical atoms' nuclei Decreases as you go from Left to Right in a period Increases as you go down a group/family |
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Definition
| Positive ion, few electrons, more positive pull, so smaller than neutral parent atom |
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Definition
| negative ion, more electrons, more repulsion, larger atom |
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Term
| The Pattern across a period |
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Definition
cations get smaller anions get larger |
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