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A configuração eletrônica de um átomo neutro no estado fundamental é 1s2 2s2 2p6 3s2 3p5. O número de orbitais vazias remanescente no nível principal M é: a)0 b)1 c)5 d)6 e)10

User Libathos
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Given configuration


\\ \bull\leadsto 1s^22s^22p^63s^23p^5

  • Its a halogen family element hence valency is 1
  • The element present in 3rd period Group 17
  • The element is Bromine(Br)
User CyclingFreak
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