Question 1 What happens when metals react with chlorine? Question 2 What happens when metals react with hydrogen? Reaction of metal with chlorine Metals react with chlorine to form ionic chlorides. 2Na(s) + Cl2 (g) -----> 2 NaCl(s) Ca (s) + Cl2 (g) -----> CaCl2 Mg (s) + Cl2 (g) ----> MgCl2 Reaction of metals with hydrogen Most of the metals do … [Read more...] about Reaction of metal with chlorine and hydrogen