Question

$\left[Xe\right]4f^{14}5d^{10}6s^{2}6p^3$ ​
Which of the following element represents the above electronic configuration?

• A. P
• B. Bi
• C. As
• D. Sb

Answer 1

The correct option is B Bi

The phosphorous element has atomic number 15 whose electronic configuration is $\left[Ne\right]3s^{2}3p^3$.
The arsenic element has atomic number 33 whose electronic configuration is $\left[Ar\right]3d^{10}4s^{2}4p^3$.
The bismuth element has atomic number 83 whose electronic configuration is $\left[Xe\right]4f^{14}5d^{10}6s^{2}6p^3$ ​
The antimony element has atomic number 51 whose electronic configuration is $\left[Kr\right]4d^{10}5s^{2}5p^3$​