MCQ
A certain orbital has no angular nodes and two radial nodes. The orbital is
- A$2\, s$
- ✓$3\, s$
- C$3\, p$
- D$2\, p$
$n-l-1=2$
$n-1=2$
$n =3$
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$(I)$ electron affinity of $Y$ is high $(II)$ ionization energy of $X$ is low
$(III)$ lattice energy of $XY$ is high $(IV)$ lattice energy of $XY$ is low
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