# How many m values are there for the 4f sublevel. In high school so no fancy words please! [closed]

How many m values are there for the 4f sublevel? In high school so no fancy words please!

With no fancy words: The orbital angular momentum quantum number $$l$$ is given by the letter you see there: f. Remember that we link this quantum number with integers in the following fashion:

1. $$l = 0$$: sublevel s.
2. $$l = 1$$: sublevel p.
3. $$l = 2$$: sublevel d.
4. $$l = 3$$: sublevel f. So we got it, $$l = 3$$.

How many orbitals we have? Well, we have $$2l + 1 = 2\cdot 3+1 = 7$$. These seven orbitals are numbered from the value $$-l$$ to $$l$$, so you can list them in the following way:

$$m = \{-3, -2, -1, 0, 1, 2 ,3 \}$$

Remember these $$m$$ values are the magnetic quantum numbers. Sometimes you may find them with the symbol $$m_l$$.

• Huh, "orbital angular momentum quantum number" could be some "fancy words". You sure you wanted answer this thing in particular ;) Mar 14, 2023 at 22:53
• Everything is written in fancy words, except the names for $l$ and $m_l$... I didn't put those names! But that's how the OP will see them in the exam, for sure! Mar 14, 2023 at 22:58
• I was being snarky about OP's question, not the answer. This looks like one that a mod could have already closed if he saw it. But, well, you can answer what you want... I just recommend being a bit more picky in the future ;) Mar 14, 2023 at 23:11
• I will, I am new to the site, but I just like to help. Thanks Mar 14, 2023 at 23:34