My new gf ;-).

Which type of orbits are found in the principal energy level n = 2 a - s b - s, f c - s, d d - s, p e - s, p, d

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

From the choices provided below, list the reagent(s) in order that will react with cyclopentanone to form the compound shown below.