The answer is correctly expressed in a unit ofBoth unknown values in the problem are expressed with___ significant figures, so the answer must have significant figures

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

In which layer of earth do most earthauakes occur a_ inner core b_outer core c_mantle d_crust

Compare and contrast the bohr model and the electron cloud models of the atom.