Is the oxygen atom stable? Select one:
a. No, the second energy level has 6 electrons and it needs 8 to be stable.
b. No, the first energy level has 6 electrons and it needs 8 to be stable.
c. No, the second energy level has 6 electrons and it needs 10 to be stable.
d. No, the second energy level has 4 electrons and it needs 6 to be stable.