Which ion with a charge of -2 has an electron configuration of 1s22s22p6 ? Use the periodic table. A. N3- B. O2- C. O D. N
Chemistry · High School · Mon Jan 18 2021
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Here, option (B) O2‐ is correct. It has charge of -2 on it and its electronic configuration can be given as follows
O2 = 1s2 2s2 2p6