Which of the following statements is true regarding an ionic bond in MgO?
A) Magnesium atoms gain electrons and oxygen atoms lose electrons.
B) Magnesium and oxygen bond by sharing electrons.
C) The ionic radius of an oxide ion is greater than its atomic radius.
D) Forming an ionic bond between Mg₂+ and O₂- requires energy.
E) none of the above
Correct Answer:
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