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Which of the following atoms will gain two electrons in its valence shell to achieve a noble gas configuration and form an ion?.

Respuesta :

Answer:

Oxygen (O), sulfur (S), selenium (Se), tellurium (Te), polonium (Po), and livermorium (Lv) are all acceptable answers.

Explanation:

The oxygen group element, also called chalcogen, any of the six chemical elements making up Group 16 (VIa) of the periodic classification—namely, oxygen (O), sulfur (S), selenium (Se), tellurium (Te), polonium (Po), and livermorium (Lv).