[請問] 請教一題化學已回收
CH3NH2
N的氧化數是+3
請問是怎麼算出來的?
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推
11/06 20:01, , 1F
11/06 20:01, 1F
→
11/06 20:01, , 2F
11/06 20:01, 2F
→
11/06 20:02, , 3F
11/06 20:02, 3F
推
11/06 20:24, , 4F
11/06 20:24, 4F
推
11/06 22:33, , 5F
11/06 22:33, 5F
推
11/06 22:45, , 6F
11/06 22:45, 6F
推
11/07 01:50, , 7F
11/07 01:50, 7F