Find the frequency of a photon with a wavelength of 20nm

For the following dehydrohalogenation (e2) reaction, draw the zaitsev product(s) resulting from elimination involving c3–c4 (i.e., the carbon atoms depicted with stereobonds). show the product stereochemistry clearly. if there is more than one organic product, both products may be drawn in the same box. ignore elimination involving c3 or c4 and any carbon atom other than c4 or c3.

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes

What diagram shows the ionic compound of magnesium oxide