When aluminum, al, metal is dipped in an aqueous solution of hydrochloric acid, hcl, hydrogen gas, h2, is produced with the formation of an aluminum chloride, alcl3, solution. write the balanced chemical equation showing the phases of reactants and products

What neutral atom is isoelectronic to mn+4

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

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests. which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory