In the following drawings,shaded spheres represent cations and unshaded spheres represent anions. 
-Which drawing represents the ionic compound BaF2?
A) drawing (a)
B) drawing (b)
C) drawing (c)
D) drawing (d)
Correct Answer:
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C)sodium(II)oxide.
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A)Ca(TeO3).
B)Ca(TeO2).
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Q249: In the following drawings,shaded spheres represent cations
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