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  3. Chemistry
  4. The observed electronic configuration of Protactinium (Atomic number =91 ) is. [.Rn].5fx6dy7sz The value of (.x+y+z.) is .

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Q. The observed electronic configuration of Protactinium (Atomic number $=91$ ) is_______. $\left[\right.Rn\left]\right.5f^{x}6d^{y}7s^{z}$
The value of $\left(\right.x+y+z\left.\right)$ is _______.

NTA AbhyasNTA Abhyas 2022

Solution:

Observed electronic configuration of
Protactinium (Atomic number = 91) is
$\left[R n\right]5f^{2}6d^{1}7s^{2}$ .
$\therefore x=2,y=1,z=2$
$\therefore x+y+z=5$