Answer:
See attachment
Explanation:
Answer: 106
Follow PEMDAS. 7x12 = 84
84 + 13 = 97
97 + 9 = 106
Oxygen molecule is 2 oxygen atoms in a covalent bond, whereas an oxygen atom is an atom with 8 electrons (6 valence electrons).
Thus, clearly, any element in a bonded state is always more stable than when in an un-bonded state.
That’s not very specific
In every work area
Transition metals!
