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2 years ago

11

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

1 answer:

Andreas93 [3]2 years ago

7 0

Answer:

B. O

Explanation:

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