7) 6, i believe, (Cu) 1 atom+ (S) 1 atom+(0)4 atoms.
The direction of a vector multiplied by a scalar is only affected if the scalar is negative, in which case the vector will now be in the opposite direction. If the scalar is positive, the vector will only change in magnitude
The answer is option A, i think but i am not sure
ANSWER IS NOT FALSE IT IS True