Which of the following corresponds to the electron configuration of the ground state (lowest energy state) of a carbon atom?
a. 1s^22s^22p^2
b. 1s^22s^12p^13s^13p^1
c. 1s^22p^2
d. 1s^22s^22p^2
Which of the following electron configurations can correspond to the ground state of a neutral atom?
There might be more than one right answer.
a. 1s^22s^22p^63s^23p^63d^2
b. 1s^22s^22p^63s^23p^7
c. 1s^22s^22p^3
d. 1s^22s^22p^63s^23p^64s^23d^7
e. 1s^22s^22p^53s^23p^6