MCQ
The principal quantum number represents:
- Ashape of an orbital
- Bnumber of electrons in an orbit
- ✓distance of electron from nucleus
- Dnumber of orbitals in an orbit
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$(I)\, CO^{2-}_3$ $(II)\, XeF_4$ $(III)\, I^-_3$ $(IV)\, NCl_3$ $(V)$ $BeCl_2$