Respuesta :

MohamedAzaarena

Answer:

1- Se 2-Na 3- I guess Si as well 4-Ar 5-O

Explanation:

  • Ionization energy increases as we go right in period
  • Ionization energy increases as we go upwards in groups
  • Atomic radius increases as we go downwards in groups
  • Atomic radius increases as we go left in periods
  • Atomic radius decreases as we go right in periods so when atoms loses electron or more the smaller its radius becomes

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