Question

Complete the reactions:
1) Na(+) + e=
2) 2cl(-) =
3) 2Br (-) =
4 2K + H2O =
5) 2Na + H2 =
6) 2H + e(-) =
7) Pb=
8) Zn2(+) 2e(-) =
9) Al3 (+) + 3e(-) =

( e- are electrons)

Answer 1

Answer:

1. Na^+ + e^+ ----> Na
2. 2Cl^- -----> Cl2
3. 2Br^- -----> Br2
4. 2K + 2H2O ----> 2KOH + H2
5. 2Na + H2 ----> 2NaH
6. 2H + e^- ----> H2
7. Pb ----> Pb
8. Zn^2+ + 2e^- ----> Zn
9. Al^3+ + 3e^- ----> Al3