1. Tardigrade
  2. Question
  3. Chemistry
  4. Consider an imaginary ion 2248 X 3-. The nucleus contains ' a ' % more neutrons than the number of electrons in the ion. The value of ' a ' is . [nearest integer]

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Q. Consider an imaginary ion ${ }_{22}^{48} X ^{3-}$. The nucleus contains ' $a$ ' $\%$ more neutrons than the number of electrons in the ion. The value of ' $a$ ' is_______ . [nearest integer]

JEE MainJEE Main 2022Structure of Atom

Solution:

${ }_{22}^{48} X ^{3-}$
No. of neutrons $=26$
No. of electrons $=25$
$\%$ of extra neutrons
than electrons $=\frac{26-25}{25} \times 100=4$