一题SAT化学..不难只是题目不解
Chlorineisrepresentedbytheelecton-dotsymbol.Theatomthatwouldberepresentedbyanidentica...
Chlorine is represented by the electon-dot symbol. The atom that would be represented by an identical electron-dot arrangement has the atomic number of_____
Answer:请解释这题的意思及答案的理由
ANSWER:19 展开
Answer:请解释这题的意思及答案的理由
ANSWER:19 展开
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