what does the prefix non-represent?

O 9 carbon atoms, only
O 9 carbon atoms and 20 hydrogen atoms
O 9 carbon atoms and 18 hydrogen atoms
O 9 carbon atoms and 16 hydrogen atoms

what does the prefix nonrepresent O 9 carbon atoms only O 9 carbon atoms and 20 hydrogen atoms O 9 carbon atoms and 18 hydrogen atoms O 9 carbon atoms and 16 hy class=