Wavelength and frequency are inversely related. Specifically, λν = c c is the speed of light, 2.9970 x 10 8 m/s ν has the units of s-1 (1/s) λ has the units of meters ∆ E = n h ν h = 6.626 x 10-34 J s (kg m 2 /s) Oxidation Involves an increase in oxidation number (a lose of electrons) Reduction Involves a decrease in oxidation number (a gain of electrons) Assigning Oxidation States The oxidation state of an atom in an element is 0. The oxidation state of a monoatomic ion is the same as its charge. The sum of oxidation states for a neutral compound must be zero. The sum of oxidation states for an ion equals the ionic charge. Group I metals, in compounds, have an oxidation state of +1. Group II metals, in compounds, have an oxidation state of +2.
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