Solid magnesium reacts with aqueous hydrochloric acid to form aqueous magnesium chloride and hydrogen gas Express answer as a chemical equation including phases

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

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.

Just on number 2 (all parts), and if you do answer explain in detail