Find the pH of 8.4x10^-8 M HCl. Report the answer to the hundredths place.

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?

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.

The excretory system,need answers for all: )