When you get a DFT of a signal, you use the basis functions as:
e−j2πkn/N
Why is it so? Why don't we use the conjugate, ej2πkn/N, or any other function?
Apparently the of last four, MgX2+ is closest in radius to LiX+. Is this true, and if so, why would a whole larger shell ($\ce{...
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