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Chemistry 6 Online
OpenStudy (anonymous):

Which of the following is the ground state of an atom? Which is its excited state? Which is an impossible electron configuration? Identify the element and briefly explain your choices. a. 1s^2 2s^2 2p^6 3s^2 3p^6 5p^1 b. 1s^2 2s^2 2p^3 3s^2 3p^6 4s^-1 c. 1s^2 2s^2 2p^6 3s^2 3p^7

OpenStudy (aayushi.somani):

1st is the excited state because we can see that the electron jumps in the 5 orbital from the 3 orbital. 2nd is the groung state. nd 3rd is the impossible electronic configration because in the 3p it has 7 electrons insteed of 6.. because 6 is the max. limit of the p orbital..!! and the element is potassium (K).. I hope this may be a satisfied answer to u..!!

OpenStudy (anonymous):

Thanks! :)

OpenStudy (aayushi.somani):

most welcum..!!

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