maya1781 maya1781
  • 25-07-2021
  • Physics
contestada

Which of the elements below have seven electrons in their outermost energy levels? A.) Cr, Mn, and Fe B.) Br, I, and Ci C.) O, S, and Se D.) He, Ne, and Ar

Respuesta :

Аноним Аноним
  • 25-07-2021

Answer:

B

Explanation:

the Halogen families have 7 valence electrons

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