What is the noble gas configuration for the following: fluorine, phosphorus, bromine, manganese, copper?

1 Answer
anor277
Aug 11, 2017

F, Z=9, [He]2s^(2)2p^5

Explanation:

P, Z=15, [Ne]3s^(2)3p^3

Br, Z=35, [Ar]3d^(10)4s^(2)4p^(5)

Mn, Z=25, [Ar]3d^(5)4s^(2)

Cu, Z=29, [Ar]3d^(10)4s^(1)

For copper, an examiner would probably accept [Ar]3d^(9)4s^(2)

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