MCQ
The correct set of four quantum numbers for the valence electron of rubidium atom $(Z=37)$ is:
- ✓$5,0,0,+\frac{1}{2}$
- B$5,0,1,+\frac{1}{2}$
- C$5,1,0,+\frac{1}{2}$
- D$5,1,1,+\frac{1}{2}$
$ \mathrm{n}=5 $
$ l=0 $
$ \mathrm{~m}=0 $
$ \mathrm{~s}=+1 / 2 \text { or }-1 / 2$
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$(1) Li < Be < B < C (IE_1)$
$(2) Li < Na < K < Rb < Cs$ (Reducing power in gaseous state)
$(3) Li^+ < Na^+ < K^+ < Rb^+ < Cs^+$ (Ionic mobility in aqueous solution)
$(4) S > Se > Te > O [EA]$