2 Na + Cl2 → 2 NaCl
This is an oxidation-reduction (redox) reaction:
2 Na0 - 2 e- → 2 NaI (oxidation)
2 Cl0 + 2 e- → 2 Cl-I (reduction)
Na is a reducing agent, Cl2 is an oxidizing agent.
Reactants:
- Na
- Cl2
Products:
2Na + Cl2
^
Ignoring the coefficient before the compound