Identify the element whose ion only exists as 2+.
A) calcium
B) cesium
C) lead
D) carbon
E) radon
Correct Answer:
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Q75: Which of the following exists as a
Q76: Identify the element whose ion only exists
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A) Fe(NO2)3
B)
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A) LiCrO3
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A) Mg3N2
B)
Q85: The chemical formula for barium nitride is
A)
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