The oxygen 1− anion O− has how many total electrons and how many valence electrons?
1. 8; 9
2. 9; 7
3. 7; 6
4. 7; 5
5. 8; 8
6. 9; 8
7. 8; 7
8. 8; 6
9. 9; 9
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1. 8; 9
2. 9; 7
3. 7; 6
4. 7; 5
5. 8; 8
6. 9; 8
7. 8; 7
8. 8; 6
9. 9; 9
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Verified answer
there are 8+1=9 electrons
and valence electrons=6+1=7
neutral O has 8 electrons. by adding an electron, this give O- 7 valence electrons and 9 total electrons
2. 9: 7