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Answer:

  • [Ar] 4s²______two valence electrons___metal
  • [Ne]3s23p3 __5 valence electrons_____nonmetals
  • [Ne]3s23p2 __4 valence electrons_____metaloids
  • [Ne]3s23p5__seven valence electrons.__nonmetals
  • [Kr]5s1______one valence____________metal

Explanation:

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