Copper is a common metal used in electrical circuits. Why are metals like Cu generally good conductors of electricity?   A. Metals have more free electrons. B. Metals have more protons in general. C. Metals have strong bonding with other atoms. D. none of the above E. all of the given options.

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Q: b. ns2np6

A: The Noble gas molecule is  2He = 1s2 10Ne = 1s2 2s2  2p6. 18Ar = 1s2 2s2 2p6 3s2 3p6. 36Kr= 1s2 2s2…

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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.