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OpenStudy (anonymous):
Calcium oxide (CaO) forms when an atom of calcium loses two electrons, giving it a +2 charge and an atom of oxygen picks up two electrons, giving it a -2 charge. What is calcium oxide? A.) An element B.) A covalently bonded compound C.)An ionically bonded compound. I think it is B.) But im not sure
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OpenStudy (anonymous):
C
OpenStudy (anonymous):
the answer is c because there r positive and negative ions in the compound.
OpenStudy (anonymous):
Thank you Roc13kh
OpenStudy (anonymous):
sure ^^
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