The correct response is C. Chlorine forms 1 covalent bond while Oxygen forms 2 covalent bonds.
Can you give more information?
A computer screen is energy transfer
Mr: 207.2
m=n×Mr= 6.53×207.2= 1353.02g
I believe the answer would be C, unbalanced.
Since the forces are in opposite directions, and aren't the same size, the answer would be unbalanced.