Breast Self-Examination At the community education program, Chandra learns that breast self-exam (BSE) is best performed 7 days after the start of the menstrual flow when the breasts are least engorged and tender. Since Chandra had a hysterectomy 5 years ago, she does not have periods. She asks the nurse if she still needs to perform BSE, and if so, when.

Which statement about relative potential energy of electrons is correct? a. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 2 s orbital of the second electron shell. b. an electron in the 2 p orbital of the second electron shell has more potential energy than an electron in the 3 p orbital of the third electron shell. c. an electron in the 3 p orbital of the third electron shell has more potential energy than an electron in the 2 p orbital of the second electron shell.