[Ar]3d104s24p5
[Ar] 4s2 3d10 4p5
Bromine atom
[Ar] 4s2 3d10 4p5
The noble gas that comes before bromine is argon.
There is no noble gas configuration for hydrogen.
[Ar]3d104s24p5
[Ar] 4s2 3d10 4p5
Bromine atom
[Ar] 4s2 3d10 4p5
The noble gas krypton has the same electron configuration as an ion of bromine, Br-.
2
The noble gas that comes before bromine is argon.
There is no noble gas configuration for hydrogen.
Krypton is a noble gas and already has noble gas configuration.
The electron configuration of bromine is: [Ar]4s23d104p5.
The noble gas configuration of strontium is [Kr]5s2.
The noble gas configuration for manganese is [Ar]4s23d5