Explain how changing hormone levels play a role in the feedback mechanism known as the female menstrual cycle. Provide an example of how changes in the concentration of one hormone affects another hormone. plz help me !

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.