MCQ
The most electropositive element possesses the electronic configuration
- A$[He]\, 2s^1$
- B$[Ne]\, 3s^2$
- ✓$[Xe]\, 6s^1$
- D$[Xe]\, 6s^2$
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$2NH_3 + 5F_2\,\,\to \,\, N_2F_4 + 6HF$