Chemical reactions do not change the identity of the participating atoms; all atoms present at the beginning of the reaction must be present at the end. Balance the chemical reaction by indicating the number of molecules necessary for each reactant and product: ___Cl₂ + _ NaBr = _Br₂ + ___NaCl.

Question

Chemical reactions do not change the identity of the participating atoms; all atoms present at the beginning of the reaction must be present at the end. Balance the chemical reaction by indicating the number of molecules necessary for each reactant and product: _____Cl₂ + _____ NaBr = _____Br₂ + _____NaCl.