Chemistry
Senior High
高校化学基礎の酸化数の問題です
（7）、（13）の考え方が分かりません
途中式も含めて教えて下さい
[知識]
167 酸化数次の下線をつけた原子の酸化数を求めよ。
(1) HCI
(2) HCIO
(3) HCIO2
(4)
HCIO3
(6) HNO₂ (7) K₂Cr₂O7 (8) NH4+
(1) H₂02 (12) NaH
(9) CrO₂²
(14) CaSO4
LAST
Na₂CO3
(5) HCIO4
(10) MnO4
-
1$ 0H &
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