



What are basis sets used in computational chemistry, and how do they approximate atomic orbitals with different n values?
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what is n in chemistry
- What is the principal quantum number (n) in chemistry?
- What does n=3 represent in an atom?
- How can X-ray diffraction data be used to map the electron density in a crystal and provide information about bonding and atomic positions, which are ultimately related to the electronic structure governed by n?
- How does n relate to the number of radial nodes in a p orbital?
- In astrophysics, how are the spectral lines observed from stars and galaxies used to determine their composition, temperature, and velocity, relying on the precise knowledge of atomic and ionic energy levels (based on n)?
- How does the value of n influence the appearance of atomic emission spectra?
- In photochemistry, how does the absorption of light lead to chemical reactions by promoting molecules to excited electronic states (higher n)?
- How does the ground state electron configuration of an element reflect the lowest possible values of n for its electrons?
- How does the absorption of light by biomolecules (e.g., chlorophyll, hemoglobin) involve transitions between electronic energy levels with different n values?
- What is the quantum yield of fluorescence and how does it depend on the rates of radiative and non-radiative processes involving different n levels?
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