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andhreiaaline
@andhreiaaline
March 2022
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gente me ajuda nessa atividade por favor e pra amanha!
1)Encontre o nox de cada elemento:
a)H2o
b)Nacl
c)O3
d)HN3
e)HBr
f)CH4
g)H2c2o4
h)No
i)H25
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danieluzu
A)H=+1 e O= -2
b)Na= +1 e Cl= -1
c)O= 0
d)H= +1 e N= -3
e)H= +1 e Br= -1
f)C= -4 e H= +1
g)H= +1, C= +3 e O= -2
h)N= +2 e O= -2
i)H= 0
2 votes
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b)Na= +1 e Cl= -1
c)O= 0
d)H= +1 e N= -3
e)H= +1 e Br= -1
f)C= -4 e H= +1
g)H= +1, C= +3 e O= -2
h)N= +2 e O= -2
i)H= 0