Sulfur is to the immediate right of phosphorus in the same row in the periodic table. Which of the following statements compares the radius and number of protons of nitrogen and oxygen atoms?
a) Sulfur has a smaller radius and one more proton than phosphorus.
b) Sulfur has a smaller radius and one proton less than phosphorus.
c) Sulfur has a larger radius and one proton less than phosphorus.
d) Sulfur has a larger radius and one proton more than phosphorus.