Quantum Numbers

Principle Quantum Number
(n)

The number of mainshells in an atom is the same as the number of

The maximum number of mainshells for the known elements

The formula used to calculate the possible number of electrons in a given mainshell

The maximum number of valence electrons

When using letter designation for mainshells start with

Angular Momentum Quantum Number
(l)

Sublevel numbers have integral values from

The number of sublevels possible in a mainshell is equal to

The greatest number of sublevels in any mainshell is

Sublevels correspond to

Sublevel numbers with sublevel letter designations

Sublevel letter designation with their maximum number of electrons

The number of electrons in a sublevel corresponds to

Magnetic Quantum Number
(ml)

Orbital

The magnetic quantum number integral values

The number of orbitals in a sublevel is

Shape of the p orbital

Shape of the s orbital

Spin Quantum Number
(s)

Electrons spin in an orbital because

The possible values for the spin