quantum numbers

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quantum numbers

Postby hannabarlow1A » Sun Jul 07, 2019 11:10 am

What does it mean that m(l) is related to the orientation of an orbital? Could someone explain what m(l) really tells us?

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Re: quantum numbers

Postby Chem_Mod » Sun Jul 07, 2019 1:38 pm

m(l) describes orientation because take for example the p block, where the shapes look like dumbells. However, that one dumbbell shape can have 3 different orientation, where the dumbbell aligns on the x, y, or z axis. Which is why m(l) has 3 numbers to describe the three different orientations, -1, 0, 1. That is why an s orbital can only have one orientation because it is a ball, you cannot make it lie a different way on any of the axes.

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