Medium
An element has the electronic configuration $1s^2, 2s^2 2p^6, 3s^2 3p^2$. Its valence electrons are
- A$6$
- B$2$
- C$3$
- D$4$
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Similar Questions
Identify the pair of orbitals having similar $(n + l)$ values from the following.
The number of electrons in the outermost shell of an element with atomic number $15$ is . . . . . . .
Medium
View SolutionUsing $s$,$p$,$d$,and $f$ notations,describe the orbital with the following quantum numbers:
$(a)$ $n=1$,$l=0$
$(b)$ $n=3$,$l=1$
$(c)$ $n=4$,$l=2$
$(d)$ $n=4$,$l=3$
$(a)$ $n=1$,$l=0$
$(b)$ $n=3$,$l=1$
$(c)$ $n=4$,$l=2$
$(d)$ $n=4$,$l=3$
Medium
View SolutionIf the value of $(n+\ell)$ is not greater than $3$,which of the following subshells is not possible $-$
Medium
View SolutionTotal number of angular nodes of orbitals associated with third shell $(n=3)$ of an atom is
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