The orbital with highest penetration power is
- s
- p
- d
- f
The Correct Option is A
Solution and Explanation
Penetration power refers to how close an electron in a given orbital can get to the nucleus. The penetration power of orbitals follows the order: s > p > d > f This means electrons in s-orbitals are found closer to the nucleus on average, and thus have the highest penetration. This higher penetration leads to stronger attraction to the nucleus and lower energy compared to other orbitals in the same shell.
The correct answer is option (A): \(s\)
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[D.] 1st Ionisation Energy :
In\(<Al<Ga<Tl<B\)
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