Principal (shell) quantum number - n
<span>Describes the energy level in the atom (1 through 7)<span>The maximum number of electrons in n is <span>2n2</span></span></span><span> </span>
<span>2. Angular (subshell) quantum number - </span>l
<span><span>Describes the sublevel in n</span><span>Each energy level has n sublevels</span></span><span> </span>
<span>3. Magnetic quantum number - </span>m
<span><span>Describes the orbital within l</span>s has 1 orbitalp has 3 orbitalsd has 5 orbitalsf has 7 orbitals</span><span> </span>
<span>4. Spin quantum number - </span>s
<span>Describes the spin of the electrons in an orbital.Electrons in the same orbital must have oppisite spins.<span>Possible spins are clockwise or counterclockwise.</span></span>
