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03-02-2020
Chemistry

contestada

An unknown element, X, reacts with sodium to form the compound Na2X. In other compounds, this element also can accommodate up to 12 electrons rather than the usual octet. What element could X be?
A. Sr
B. O
C. Cl
D. Po

Respuesta :

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03-02-2020

Answer:

B. O

Explanation:

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