What is the chemical formula of ammonium sulphate

What must happen before a body cell can begin mitotic cell division

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.

What best discribes the relationship between wavelength and frequency in a electromagnetic wave