Exchange Exchange is a marketplace in which shares, options and futures on stocks, bonds, commodities, and indexes are traded. Principal U.S. stock exchanges are: New York Stock Exchange (NYSE), American Stock Exchange (AMEX), and National Association of Securities Dealers Automatic Quotation System (Nasdaq).
Chemiluminescence is a result of a chemical reaction. In fact, bioluminescence is a type of chemiluminescence. For example, the catalyzed reaction between luminal and hydrogen peroxide produces light. Electrochemiluminescence is a type of luminescence produced during an electrochemical reaction.n fact, bioluminescence is a type of chemiluminescence. For example, the catalyzed reaction between luminal and hydrogen peroxide produces light. Electrochemiluminescence is a type of luminescence produced during an electrochemical reaction.
The difference between absorption and emission spectra are that absorption lines are where light has been absorbed by the atom thus you see a dip in the spectrum whereas emission spectra have spikes in the spectra due to atoms releasing photons at those wavelengths.