Easy
The atomic weight of an element is double its atomic number. If there are four electrons in the $2p$ orbital,the element is:
- A$C$
- B$N$
- C$O$
- D$Ca$
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Similar Questions
The two electrons $X$ and $Y$ have the following sets of quantum numbers:
$X: n=3, l=2, m=-2, s=+1/2$ $Y: n=3, l=0, m=0, s=+1/2$
Which of the following is the correct statement?
| $X: n=3, l=2, m=-2, s=+1/2$ | $Y: n=3, l=0, m=0, s=+1/2$ |
Which of the following is the correct statement?
Medium
View SolutionThe outer electronic structure $3s^23p^5$ is possessed by
Easy
View SolutionExplain $d$ orbital.
Difficult
View SolutionWhat is the number of unpaired electrons in the electronic configuration of the $N^{+2}$ ion?
Medium
View SolutionThe number of angular and radial nodes of $4d$ orbital respectively are
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