laricealves75 laricealves75

22-04-2024
Mathematics

contestada

e)-3, +3, e-2
4-0 número de oxidação do S, B, PeN nas
substâncias é, respectivamente: Al2(SO4)3,
Na2B4O7 H4P2O7 e N2
a)-2, +12, +10, -3. b) +6, +3, +5,0
c) +18, 0, +1, -6
d) +1, +4, +2, +2
e) +3, +3, +3, +3

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