Isoelectron pairs:

1) N2 and CO 4) C6H6 and C5H5N 2) C2H4 and HCOH 5) C2H4 and C2H2 3) O2 and NO 6) NO and CO
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Carol scott
Carol scott
Answered on April 12, 12:54
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Carol scott
Carol scott
Answered on April 13, 07:15
Earnings from 20 000 rubles a day! - Do you need a ready, already customized method of earnings? - Without difficult courses that you can not figure out. - Without routine work. - Without cheating and that the money was worthy.

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