The answer is C: "<span>A body cell has 46 chromosomes; a sex cell has 23"</span>
Carbon is the only element that can form so many different compounds because each carbon atom can form four chemical bonds to other atoms, and because the carbon atom is just the right, small size to fit in comfortably as parts of very large molecules.
Neutral charges and are found in the center? I'm not sure for the last answer
Hepta is seven and tetra is four, so option c is your answer
