Relax

Respuesta :

Explanation:

short electronic configuration of bromine

  • [Ar] 3d¹⁰ 4s² 4p⁵

long electronic configuration of bromine

  • 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s² 4p⁵