irania2978 irania2978
  • 01-05-2020
  • Chemistry
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keziakh004
keziakh004 keziakh004
  • 01-05-2020

Answer:

oxygen and sulfur

Explanation:

Looking at the periodic table you have, the elements with the same amount of valence electrons are in the same column.  

N, P, and As have the same amount of valence electrons.

O, S, and Se have the same amount of valence electrons.

F, Cl, and Br, have the same amount of valence electrons.

From the choice options, oxygen and sulfur are the ones the have the same amount of valence electrons

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