Tentukan biloks atom dalam senyawa dan ion 1. P H3 2.N H4 3. Cr 2 O7 4. K Br O4 5. H3 I O4

1. H = +1 , P = -3
2. H = +1 , N = -1
3. O = -2 , Cr = +7
4. K = +1 , O = -2 , Br = +7
5. H = +1 , O = -2 , I = +5


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