For hydrogen, how many emission lines are present in the visible light region, and which color do you think will be the brightest, i.e. the most intense? Calculate the energy (in Joules) corresponding to a "photon" for each wavelength you 'see'. Use E = hc/A below where h = 6.63 x 10 34J-sec. Show work for one energy calculation. Put them into a table in your notebook such as: Energy (Joules) 5.97x10 19 I Wavelength 333 --etc.

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Quantum Chemistry

Quantum chemistry deals with the properties of chemical systems and their reactions. The branch of chemistry which is more concerned with quantum chemistry is physical chemistry. It is a more sophisticated field of theoretical physics which is concerned towards the application of physical concepts towards various chemical aspects such as, formation of atoms, chemical structure descriptions, chemical bond strength, hybridization, conjugation etc. Quantum chemistry mainly studies the various states i.e., ground state, excited state, transition states of the individual atoms or molecules taking place during any chemical reaction. The laws of motion explained by various scientists, which are termed as “classical mechanics” were not acceptable in terms of electrons, protons, atoms, light etc. Thus, a new theory named “quantum mechanics” emerged to understand the basic framework of various atomic and subatomic particles.