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Luda [366]
3 years ago
8

which of these chemical formulas represents two elements whose atoms have joined together with an ionic bond? A. O2 B. CaO C.NeN

e D.MgCa
Physics
1 answer:
cupoosta [38]3 years ago
3 0
B: CaO
Because Calcium is a Metal and Oxygen is a Non-Metal. Ionic bonds are only formed with a Metal and a Non-Metal element.
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