3.Визначте валентності хімічних елементів у сполуках
NO, Br207, No2, K20, Cl2O3, Fe2O3, Cr2O3, P205 SO3, Cl2O7
NO, Br207, No2, K20, Cl2O3, Fe2O3, Cr2O3, P205 SO3, Cl2O7
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Ответ:
Объяснение:
N(II)O(II)
Br(VII)O(II)
N(IV)O(II)
K(I)O(II)
Cl(III)O(II)
Fe(III)O(II)
Cr(III)O(II)
P(V)O(II)
S(VI)O(II)
Cl(VII)O(II)
Ответ:
Объяснение:
N(II)O(II)
Br(VII)O(II)
N(IV)O(II)
K(I)O(II)
Cl(III)O(II)
Fe(III)O(II)
Cr(III)O(II)
P(V)O(II)
S(VI)O(II)
Cl(VII)O(II)