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Hi everyone! I was just wondering if the + sign on the magnetic quantum number (ml) is mandatory or if it is just good practice. The answers in the book have the + sign, so I was just wondering if it was necessary or if writing 2 was fine as opposed to +2. Thanks! I'll probably include the + sign to be safe, but I'm curious about this.
I don't think the positive + sign is necessary for the magnetic quantum number because if there's no positive sign it will be assumed that the number is positive. It definitely doesn't hurt to put a + sign though.
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