Question

Difference between molecular mechanics and quantum mechanics

Answer 1

Quantum mechanics calculates the properties of atoms, molecules, clusters, surfaces, crystalline solids, and disordered solids by solving the quantum mechanical equations that describe the positions and energies of electrons around nuclei.



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Answer 2

Quantum numbers are important because they can be used to determine the electron configuration of an atom and the probable location of the atom's electrons. ... The magnetic quantum number, ml, describes the energy levels in a subshell, and ms refers to the spin on the electron, which can either be up or down.