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Electromagnetic Radiation (EMR)
N/A
4
Chemistry
11th Grade
02/14/2013
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Term
C
 Definition

C = 3 ✕ 108 m/s

C = λν = speed of light = wavelength (m) ✕ frequency
Term
E
 Definition

E = hνn 

= Energy (J) = Plank’s Constant (6.626 ✕ 10<sup>-34</sup> J ✕ sec) ✕ frequency ✕ # of particles
Term
λ
 Definition
λ = h ÷ p → λ = h ÷ (mv) = Wavelength = Plank’s Constant ÷ (mass✕velocity) λ =hc/∆E = Frequency = Plank's constant ✕ speed of light / Change in Energy
Term
∆E
 Definition
∆E = − 2.178 ✕ 10-18 J ✕ (1/nf2 - 1/ni2) ∆E = − 2.178 ✕ 10-18 J ✕ (Z2/ n2) Z = atomic charge, n = # of photons
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