The number of valence electrons in the O2− ion is ______.A) 4B) 6C) 8D) 10
john wick , 4 Years ago
Grade 12
2 Answers
Vikas TU
Last Activity: 4 Years ago
Dear student
Oxygen has atomic no. 8. Its electronic configuration becomes 2,8,6 i.e it has 6 valence electrons. In O2− there are two more electrons. Hence number of valence electrons in the O2− is 8.
Vikas Amritiya
Last Activity: 4 Years ago
Oxygen has atomic no. 8. Its electronic configuration becomes 2,8,6 i.e it has 6 valence electrons. In O2− there are two more electrons. Hence number of valence electrons in the O2− is 8.
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