Sulfur hexafluoride, SF6, is a very stable, nonflammable gas at room temperature. It is used in many electronic products because it is a good electrical insulator. Which statement describes the composition of sulfur hexafluoride?

A. SF6 is a compound containing atoms of sulfur and fluorine.
B. SF6 is a compound that contains seven identical atoms.
C. SF6 is an element with sulfur in the atom’s nucleus and fluorine outside the nucleus.
D. SF6 is an organic compound composed of long chains of sulfur atoms surrounded by fluorine atoms.