October 2018 1 42 Report
Asignele el numero de oxidacion a cada elemento
1) P H+1
2) H2 CR2 O7
3) AS O4 -3
4) O3
5)Li2 O2 peróxidolitico
6)Pb H4tetrahiduro de plomo
7) C4 H10O
8) H C N
9)Na2 SO3
10) Ba C O3
porfa ayudemen es df urgencia

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