Is the electron Kr 5s2 4d10 5p5 valid or not valid?

Answer 1

The electron configuration Kr 5s2 4d10 5p5 is not valid. This configuration violates the Aufbau principle, which states that electrons fill orbitals starting with the lowest energy levels first. In this case, the 5s orbital should be filled before the 4d orbital. The correct electron configuration for a neutral krypton atom is Kr 5s2 4d10 5p6.

Answer 2

Honey, that electron configuration is about as valid as a three-dollar bill. The correct electron configuration for Kr is 5s2 4d10 5p6, not 5p5. It's like trying to fit a square peg into a round hole - just doesn't work.

Answer 3

This electron configuration is not valid because it violates the Aufbau principle, which states that electrons fill orbitals starting from the lowest energy level to the highest. In this configuration, the order of filling is incorrect, specifically the 5p orbital being filled before the 4d orbital.

Answer 4

Yes, surely according to (n+l) rule. As 4+2(d)=5+1(p) and in this case lower value of n is taken first.

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