What are all of the possible values of l, ml, and ms for n = 4? (select all that

For principal quantum number n=4:
1) azimuthal quantum number (l) can be l = 0...n-1:
l = 0, 1, 2, 3. 
The azimuthal quantum number determines its orbital angular momentum and describes the shape of the orbital. 
2) magnetic quantum number (ml) can be ml = -l...+l.
ml = -3, -2, -1, 0, +1, +2, +3.
Magnetic quantum number specify orientation of electrons in magnetic field and number of electron states (orbitals) in subshells.
3) the spin quantum number (ms), is the spin of the electron.
ms = +1/2, -1/2.

Gallium melts near room temperature and has one of the largest  liquid  ranges of any metal, so it has found use in high temperature thermometers.