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【多选题】
下列有关氧化值的叙述中,正确的是A.
在单质分子中，元素的氧化值为零
B.
H的氧化值总是+1，O的氧化值总是－2
C.
氧化值可以是整数或分数
D.
在多原子分子中，各元素氧化值之和为零
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皮皮学刷刷变学霸
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A.
No, it is
B.
No, it isn't
C.
Yes, it is
D.
Yes, it isn't
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Yes, she is
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C.
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D.
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A.
Yes, it is.
B.
No, it isn’t.
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A.
Yes ,this is
B.
No,this isn't
C.
Yes ,it is
D.
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