Respuesta :

Simple...

moving along the periodic table ---->>>

Oxygen has 6.

Nitrogen has 5.

Sodium has 1.

Neon has 8.

Thus, your answer, Oxygen.
Oxygen has the 6 valence shell
 its on the periodic table
  if it has 2 above count from 1-8 I believe so its H-1 Be-2 B-3 C-4 N-5 O-6

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