✨ Best Answer ✨
➕イオンは引く。➖イオンは足す。多原子イオンは原子番号全部足す。
1. 20-2＝18
2. 8+1+1＝10
3. 7+8×3+1＝32
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✨ Best Answer ✨
➕イオンは引く。➖イオンは足す。多原子イオンは原子番号全部足す。
1. 20-2＝18
2. 8+1+1＝10
3. 7+8×3+1＝32
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are also looking at these questions 😉
