tolong ya.., plis help me!!
Jawaban:
1. O2 = 0
2. Au = 0
3. NaCl =
Na = +1, Cl = -1
4. KBr =
K = +1, Br = -1
5. KI =
K = +1, I = -1
6. NaBr =
Na = +1, Br = -1
7. CaBr2 =
Ca = 2+, Br = -1
8. MgCl2 =
Mg = 2+, Cl = -1
9. MgS =
Mg = +1, S = -1
10. SO42-
S = +6, O = -2
11. NH4+
N = -3, H = +1
12. ZnO =
Zn = +2, O = -2
13. AgCl =
Ag = +1, Cl = -1
14. Cu2O =
Cu = +1, O = -2
15. FeCl2 =
Fe = +2, Cl = -1
16. Fe2O3 =
Fe = +3, O = -2
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