A student used a spectroscope to view the emission spectrum of Hg vapor, and plotted her measured wavelengths (y-axis) vs. the actual wavelengths (x-axis).  The resulting calibration curve can be found in the file that accompanies this question (click on link below, or download from the Blackboard folder for this experiment). The actual wavelength of the most prominent line in the emission spectrum of Na is 589 nm.  If the spectroscope used to prepare the calibration curve is used to view the emission spectrum of Na, what wavelength would be measured for this line.

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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.