4 HCl (9) + O2 (9) - 2H20 (9) +2 C12 (g) Of which reactant are there the least initial moles? Enter its chemical formula:

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.