What is the spin quantum number of an electron?

What are the two allowed values of \(m_s\) for an electron?

State the spin angular momentum magnitude formula.

Find the spin angular momentum magnitude for an electron.

State the spin projection formula.

What are the possible measured values of \(S_z\) for an electron?

Why is electron spin not literally a classical spinning ball?

What experiment demonstrates two-valued spin projection?

Why does spin matter for atomic structure?

What is the approximate electron spin g-factor?

What is the relationship between spin and magnetic moment?

If an electron is measured with \(m_s=+1/2\), what is \(S_z\)?

If an electron is measured with \(S_z=-\hbar/2\), what is \(m_s\)?

Can an electron have \(m_s=0\)?

Why can two electrons occupy the same spatial orbital?

What is meant by spin-up and spin-down?

Does spin-up along \(z\) guarantee a definite spin projection along \(x\)?

Why does a magnetic field split spin states?

Compare the spin magnitude \(S\) with the maximum projection \(S_z\) for an electron.

Explain why electron spin is needed in addition to the orbital quantum numbers.