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valence electron
chapter 4.1
| Question | Answer |
|---|---|
| hydrogen charge | +1 |
| helium charge | 0 |
| lithium charge | -3 |
| beryllium charge | -2 |
| nitrogen charge | +3 |
| oxygen charge | +2 |
| fluorine charge | +1 |
| neon charge | 0 |
| sodium charge | |
| magnesium charge |