What is the ph of a solution of aminos that has a concentration of 0.335 m the kB of ammonia is 1.8*10^-5

Consider the elements bromine and chlorine; which elements has a larger ionic radius ?

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Select all of the statements which are true. electrons are located in shells or orbits around the atom. electrons orbit slowly around the atom. electrons travel in one flat path around the nucleus of an atom. the valence of an atom is determined by the number of electrons in the atom's outermost shell.