<span>A) indicate the general distribution of electrons among bonded atoms in molecular compounds
B)</span>useful in naming compounds, writing formulas, and balancing chemical equations
<span>may be used to determine the simplest chemical formula </span>
All of those are true, except the one about the radius.
Both ends of a chord have to be on the circle, but one end
of a radius is at the center, so a radius can't be a chord.
