Question

The ionization energies (kJ/mol) of hydrogen (H), nitrogen (N), sodium (Na), and oxygen (O) are 1,312, 1,402, 1,681, and 1,314, respectively. Which element combination is least likely?



NaO–


OH–


NO3–


NH4+

Answer 1

NaO (80% confidence) I believe

Answer 2

You got that from Yahoo didn't you XD

Answer 3

maybe

Answer 4

for some test or home work?

Answer 5

You were right! Thanks so much. To confirm your answer I just typed in each answer, and apparently there is no such thing as NaO-