MCQ
Elements with outer electronic configuration $n{s^2}n{p^6}$ are
- AAlkaline earth metals
- BTransition elements
- CChalcogenes
- ✓Noble gases
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$CS_2 + 3O_2 \,\,\to \,\, 2SO_2 + CO_2$
$(A)\, n=4,l=1$ $(B)\, n=4,l=0$
$(C) \,n=3,l=2$ $(D)\, n=3,l=1$
can be placed in order of increasing energy as :