Correct statements for an element with atomic number 9 are A. There can be 5 electrons for which m _ s =+ 1 2 and 4 electrons for which m _ s =- 1 2 B. There is only one electron in p_z orbital C. The last electron goes to orbital with n =2

Question

Correct statements for an element with atomic number 9 are A. There can be 5 electrons for which m _ s =+ 1 2 and 4 electrons for which m _ s =- 1 2 B. There is only one electron in p_z orbital C. The last electron goes to orbital with n =2 and l=1 4. The sum of angular nodes of all the atomic orbitals is 1. Choose the correct answer from the options given below:

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Correct answer: B. A and C Only

Element with atomic number 9 is Fluorine

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