When describing the electrons in an orbital, we use arrows pointing upward and downward to indicate what property? (A.) electron configuration

(B.) electron orbitals

(C.) electron charge

(D.) electron spin

D.) electron spin

Each sublevel is labeled by its principal energy level and sublevel. Electrons are indicated by arrows inside of the circles. An arrow pointing upwards indicates one spin direction, while a downward pointing arrow indicates the other direction

the answer is either b or c