contestada

Which of these groups of elements all have 7 valence electrons?
a) Transition Medals
b) Noble Gasses
c) Alkali Medals
d) Halogens

Respuesta :

Answer:

I THINK ITS B.) NOBLR GASSES

Explanation:

I HOPE IT HELPS ;)

Answer:

option B

Noble gasses

Explanation:

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