What is the ground state electron configuration of fluorine? 1s^2 2s^2 2p^5 1s^2

Question

What is the ground state electron configuration of fluorine? 1s^2 2s^2 2p^5 1s^2 2s^2 2p^7 1s^2 2s^2 2p^3 1s^2 2s^2 3s^5 none of these Which Orbital diagram for the ground state electronic configuration of an oxygen atom is correct? What is the correct electronic configuration for Bromine (Z = 35) taking into account the proper order for filling the sub-shells? 1s^2 2s^2 2p^6 3s^2 3p^6 3d^10 4s^2 4p^5 [Kr]4p^1 [Ar]4p^5 What is the order for filling the following subshells with electrons? 4d, 4f, 5s, 5p, 6s 4d, 4f, 5s, 5p, 6s 5s, 6s, 5p, 4d, 4f 6s, 5p, 5s, 4f, 4d 4d, 4f, 5p, 5s, 6s 5s, 4d, 5p, 6s, 4f How many electrons can be placed in the subshell described by the quantum numbers n = 2, l = 0? none 2 6 none 10 none of these

Explanation / Answer

1) F = 9 atomic number

so option a

2) O = 8 atomic number

option b

3) option d

4) option e

5) option b

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