Question 445 of 513
Balance the equation: Na + Cl2 → NaCl
- Na + Cl2 → NaCl
- 2Na + Cl2 → 2NaCl
- Na2 + Cl2 → 2NaCl
- Na + 2Cl2 → NaCl4
Correct Answer:
B
Explanation
Chlorine has 2 atoms on the left but only 1 on the right. Adding 2Na balances it: 2Na + Cl2 → 2NaCl.