1create a key for cl2(g) nabr(s) nacl (s) br2 (g).

2 draw representative particles for each reactant and product.

3 write the chemical equation.

4 add up atoms of each element in reactants and products.

5 are the number of atoms of each type of element balanced in the reactants and products?

6 if yes: you are done move to step 7 if no: add coefficients to your chemical equation to balance atoms.

7. draw a representation to match your balanced chemical equation.

8 describe the balanced chemical reaction/drawing in terms of individual particles:

9 describe balanced chemical reaction/drawing in terms of m0les.

10 how does your chemical equation and picture demonstrate the conservation of
particles?

11 how does your chemical equation and picture represent the conservation of mass?