How many atoms of the element with atomic number 11 are in the reactants of the given formula?
2 NaCl + H2SO4 + 2HCl + Na2SO4

the old alchemists made significant contributions to science even though there starting premises were off a bit. their conclusions after failure would steer them into better directions for investigation. science is no more than close observation and the initial mistakes result in rethinking and retrying experiments.

beta decay is the answer

i think the answer is terrae but not 100 percent sure. ▓▬▬ §

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >